Removed (pretty inconsistently used) tab chars from source code base.

libsrc/geos-common/system/sysuname.s

@@ -4,10 +4,10 @@
 ; unsigned char __fastcall__ _sysuname (struct utsname* buf);
 ;
 
-	    .import utscopy
-	    .export __sysuname, utsdata
+            .import utscopy
+            .export __sysuname, utsdata
 
-__sysuname	= utscopy
+__sysuname      = utscopy
 
 ;--------------------------------------------------------------------------
 ; Data. We define a fixed utsname struct here and just copy it.
@@ -15,24 +15,24 @@ __sysuname	= utscopy
 .rodata
 
 utsdata:
-	; sysname
-	.asciiz "cc65"
+        ; sysname
+        .asciiz "cc65"
 
-	; nodename
-	.asciiz ""
+        ; nodename
+        .asciiz ""
 
-	; release
-	.byte ((.VERSION >> 8) & $0F) + '0'
-	.byte '.'
-	.byte ((.VERSION >> 4) & $0F) + '0'
-	.byte $00
+        ; release
+        .byte ((.VERSION >> 8) & $0F) + '0'
+        .byte '.'
+        .byte ((.VERSION >> 4) & $0F) + '0'
+        .byte $00
 
-	; version
-	.byte (.VERSION & $0F) + '0'
-	.byte $00
+        ; version
+        .byte (.VERSION & $0F) + '0'
+        .byte $00
 
-	; machine
-	.asciiz "GEOS"
+        ; machine
+        .asciiz "GEOS"