convert ASCII TABs to ASCII SPACEs

Converted all ASCII tabs to ASCII spaces using a 8 character
tab stop, for all files, except for all Makefiles (plus rpm.mk).
The `git diff -w` reports no changes.

cal/intfile.cal

@@ -27,9 +27,9 @@
 
 /*
  * NOTE: Because leading HALF values are trimmed from integer, a file
- *	 that begins with lots of 0 bits (in the case of big Endian)
- *	 or that ends with lots of 0 bits (in the case of little Endian)
- *	 will be changed when the subsequent integer is written back.
+ *       that begins with lots of 0 bits (in the case of big Endian)
+ *       or that ends with lots of 0 bits (in the case of little Endian)
+ *       will be changed when the subsequent integer is written back.
  */
 
 
@@ -37,16 +37,16 @@
  * file2be - convert a file into an big Endian integer
  *
  * given:
- *	filename	filename to read
+ *      filename        filename to read
  *
  * returns:
- *	integer read from its contents on big Endian order
+ *      integer read from its contents on big Endian order
  */
 define file2be(filename)
 {
-    local fd;	/* open file */
-    local ret;	/* integer to return */
-    local c;	/* character read from the file */
+    local fd;   /* open file */
+    local ret;  /* integer to return */
+    local c;    /* character read from the file */
     local i;
 
     /*
@@ -62,8 +62,8 @@ define file2be(filename)
      */
     ret = 0;
     while (! isnull(c = fgetc(fd))) {
-	ret <<= 8;
-	ret += ord(c);
+        ret <<= 8;
+        ret += ord(c);
     }
 
     /*
@@ -78,17 +78,17 @@ define file2be(filename)
  * file2le - convert a file into an little Endian integer
  *
  * given:
- *	filename	filename to read
+ *      filename        filename to read
  *
  * returns:
- *	integer read from its contents on little Endian order
+ *      integer read from its contents on little Endian order
  */
 define file2le(filename)
 {
-    local fd;	/* open file */
-    local ret;	/* integer to return */
-    local c;	/* character read from the file */
-    local shft;	/* bit shift for the c value */
+    local fd;   /* open file */
+    local ret;  /* integer to return */
+    local c;    /* character read from the file */
+    local shft; /* bit shift for the c value */
     local i;
 
     /*
@@ -105,8 +105,8 @@ define file2le(filename)
     ret = 0;
     shft = 0;
     while (! isnull(c = fgetc(fd))) {
-	ret |= (ord(c) << shft);
-	shft += 8;
+        ret |= (ord(c) << shft);
+        shft += 8;
     }
 
     /*
@@ -121,25 +121,25 @@ define file2le(filename)
  * be2file - convert a big Endian integer into a file
  *
  * given:
- *	v		integer to write to the file
- *	filename	filename to write
+ *      v               integer to write to the file
+ *      filename        filename to write
  *
  * returns:
- *	The number of octets written to the file.
+ *      The number of octets written to the file.
  *
  * NOTE: The absolute value of the integer is written to the file.
  */
 define be2file(v, filename)
 {
-    local fd;		/* open file */
-    local octlen;	/* length of v in octets */
+    local fd;           /* open file */
+    local octlen;       /* length of v in octets */
     local i;
 
     /*
      * firewall
      */
     if (!isint(v)) {
-	quit "be2file: 1st arg not an integer";
+        quit "be2file: 1st arg not an integer";
     }
     v = abs(v);
 
@@ -156,7 +156,7 @@ define be2file(v, filename)
      */
     octlen = int((highbit(v)+8) / 8);
     for (i=octlen-1; i >= 0; --i) {
-	fputc(fd, char(v >> (i*8)));
+        fputc(fd, char(v >> (i*8)));
     }
 
     /*
@@ -171,24 +171,24 @@ define be2file(v, filename)
  * le2file - convert a little Endian integer into a file
  *
  * given:
- *	v		integer to write to the file
- *	filename	filename to write
+ *      v               integer to write to the file
+ *      filename        filename to write
  *
  * returns:
- *	The number of octets written to the file.
+ *      The number of octets written to the file.
  *
  * NOTE: The absolute value of the integer is written to the file.
  */
 define le2file(v, filename)
 {
-    local fd;	/* open file */
-    local cnt;	/* octets written */
+    local fd;   /* open file */
+    local cnt;  /* octets written */
 
     /*
      * firewall
      */
     if (!isint(v)) {
-	quit "be2file: 1st arg not an integer";
+        quit "be2file: 1st arg not an integer";
     }
     v = abs(v);
 
@@ -205,9 +205,9 @@ define le2file(v, filename)
      */
     cnt = 0;
     while (v > 0) {
-	fputc(fd, char(v));
-	v >>= 8;
-	++cnt;
+        fputc(fd, char(v));
+        v >>= 8;
+        ++cnt;
     }
 
     /*