Support route deletion entries in SVP_R_LOG_ACK.

@@ -63,10 +63,12 @@
         libvarpd_fma_restore;
 
         libvarpd_inject_varp;
         libvarpd_inject_arp;
 
+        libvarpd_route_flush;
+
         libvarpd_instance_activate;
         libvarpd_instance_create;
         libvarpd_instance_destroy;
         libvarpd_instance_lookup;
         libvarpd_instance_id;