Don't set the umask until after we have processed the arguments

and opened the archive file.  This allows "cpio -o -O output_file"
to create the output file with the callers proper umask.
Closes PR# 1391.

gnu/usr.bin/cpio/main.c

@@ -459,7 +459,6 @@ main (argc, argv)
      char *argv[];
 {
   program_name = argv[0];
-  umask (0);
 
 #ifdef __FreeBSD__
   (void) setlocale (LC_ALL, "");
@@ -473,6 +472,7 @@ main (argc, argv)
 #endif
 
   process_args (argc, argv);
+  umask (0);
 
   initialize_buffers ();