--- protoize.c~	2005-06-25 02:02:00.000000000 +0000
+++ protoize.c	2006-02-20 19:43:06.000000000 +0000
@@ -4146,7 +4146,7 @@
 #ifdef __MSDOS__
       /* MSDOS filenames are restricted to 8.3 format, so we save `foo.c'
 	 as `foo.<save_suffix>'.  */
-      new_filename[(strlen (convert_filename) - 1] = '\0';
+      new_filename[strlen (convert_filename) - 1] = '\0';
 #endif
       strcat (new_filename, save_suffix);