--- rxvt-unicode/src/misc.C	2008/04/26 03:37:18	1.52
+++ rxvt-unicode/src/misc.C	2009/05/30 06:56:20	1.54
@@ -167,12 +167,12 @@
   return r;
 }
 
-char *
+const char *
 rxvt_basename (const char *str) NOTHROW
 {
-  char *base = strrchr (str, '/');
+  const char *base = strrchr (str, '/');
 
-  return (char *) (base ? base + 1 : str);
+  return base ? base + 1 : str;
 }
 
 /*