Add vrf counter request/reply.

Add OFP_BSN_VLAN_ALL constant to request counters for all vlans.
diff --git a/c_gen/templates/loci_show.h b/c_gen/templates/loci_show.h
index 2a1925d..868e555 100644
--- a/c_gen/templates/loci_show.h
+++ b/c_gen/templates/loci_show.h
@@ -413,5 +413,6 @@
 #define LOCI_SHOW_desc_str_startup_config_checksum(write, cookie, val) LOCI_SHOW_desc_str(writer, cookie, val)
 #define LOCI_SHOW_u16_bsn_tcp_flags(write, cookie, val) LOCI_SHOW_x16(writer, cookie, val)
 #define LOCI_SHOW_u8_loglevel(writer, cookie, val) LOCI_SHOW_u8(writer, cookie, val)
+#define LOCI_SHOW_u32_vrf(write, cookie, val) LOCI_SHOW_u32(writer, cookie, val)
 
 #endif /* _LOCI_SHOW_H_ */