Don't protoize dcl of basename.

src/mv.c

@@ -55,7 +55,7 @@
 uid_t geteuid ();
 #endif
 
-char *basename (char *);
+char *basename ();
 enum backup_type get_version ();
 int isdir ();
 int yesno ();

src/rm.c

@@ -43,7 +43,7 @@ struct pathstack
   ino_t inum;
 };
 
-char *basename (char *);
+char *basename ();
 char *stpcpy ();
 char *xmalloc ();
 char *xrealloc ();