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>

reiserfscore/prints.c

@@ -148,7 +148,7 @@ static int print_disk_child (FILE * stream,
     int len;
 
     dc = *((const struct disk_child **)(args[0]));
-    len = asprintf (&buffer, "[dc_number=%lu, dc_size=%u]", get_dc_child_blocknr (dc),
+    len = asprintf (&buffer, "[dc_number=%u, dc_size=%u]", get_dc_child_blocknr (dc),
 		    get_dc_child_size (dc));
     FPRINTF;
 }