changed indentation to use spaces only

wrlib/save.c

@@ -1,19 +1,19 @@
 /* save.c - save image to file
- * 
+ *
  * Raster graphics library
- * 
+ *
  * Copyright (c) 1998-2003 Alfredo K. Kojima
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
- *  
+ *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  *  Library General Public License for more details.
- *  
+ *
  *  You should have received a copy of the GNU Library General Public
  *  License along with this library; if not, write to the Free
  *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
@@ -41,8 +41,8 @@ Bool
 RSaveImage(RImage *image, char *filename, char *format)
 {
     if (strcmp(format, "XPM")!=0) {
-	RErrorCode = RERR_BADFORMAT;
-	return False;
+        RErrorCode = RERR_BADFORMAT;
+        return False;
     }
     return RSaveXPM(image, filename);
 }