Version bump SVP to 2

@@ -123,11 +123,12 @@
 
 typedef enum svp_conn_error {
         SVP_CE_NONE             = 0x00,
         SVP_CE_ASSOCIATE        = 0x01,
         SVP_CE_NOPOLLOUT        = 0x02,
-        SVP_CE_SOCKET           = 0x03
+        SVP_CE_SOCKET           = 0x03,
+        SVP_CE_VERSION_PONG     = 0x04
 } svp_conn_error_t;
 
 typedef enum svp_conn_flags {
         SVP_CF_ADDED            = 0x01,
         SVP_CF_DEGRADED         = 0x02,

@@ -164,10 +165,11 @@
         svp_conn_error_t        sc_error;
         int                     sc_errno;
         list_t                  sc_queries;
         svp_conn_out_t          sc_output;
         svp_conn_in_t           sc_input;
+        uint_t                  sc_version;
 };
 
 typedef enum svp_remote_state {
         SVP_RS_LOOKUP_SCHEDULED         = 0x01, /* On the DNS Queue */
         SVP_RS_LOOKUP_INPROGRESS        = 0x02, /* Doing a DNS lookup */