Do not report size of the object that cannot be written in local-pull.c

Reporting st.st_size with %ld is simply wrong, as H Peter Anvin
says.  No other pull drivers report the failure with size
anyway, so yank it out.  This is a cop-out patch but should be
good enough.
Signed-off-by: NJunio C Hamano <junkio@cox.net>

local-pull.c

@@ -71,8 +71,7 @@ int fetch(unsigned char *sha1)
 		munmap(map, st.st_size);
 		close(ofd);
 		if (status)
-			fprintf(stderr, "cannot write %s (%ld bytes)\n",
-				dest_filename, st.st_size);
+			fprintf(stderr, "cannot write %s\n", dest_filename);
 		else
 			pull_say("copy %s\n", hex);
 		return status;