reiserfsprogs: fix printf formatting warnings

This patch fixes:
main.c:968:11: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 3 has type ‘time_t’ [-Wformat]
prints.c:152:7: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 3 has type ‘__u32’ [-Wformat]

Signed-off-by: Jeff Mahoney <jeffm@suse.com>

fsck/main.c

@@ -964,7 +964,7 @@ static int reiserfs_check_auto_state(reiserfs_filsys_t *fs)
 	}
 
 	if (interval != UINT_MAX && now > lastcheck + interval) {
-		fprintf(stderr, "File system hasn't been checked in %u days. "
+		fprintf(stderr, "File system hasn't been checked in %lu days. "
 		        "Checking now.\n", (now - lastcheck) / (60*60*24));
 		return 1;
 	}