--- protoize.c.orig	2003-08-26 17:57:22.000000000 +0000
+++ protoize.c	2003-10-24 15:52:54.000000000 +0000
@@ -4161,7 +4161,7 @@
 #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);