Nothing to free when getaddrinfo returns error.

--- generic/udp_tcl.c.orig	Thu Oct  9 07:23:05 2014
+++ generic/udp_tcl.c	Thu Oct  9 07:23:25 2014
@@ -1315,7 +1315,6 @@ UdpMulticast(UdpState *statePtr, Tcl_Interp *interp, 
 
 		if (r != 0 ) {
 			Tcl_SetResult(interp, "invalid group name", TCL_STATIC);	
-			freeaddrinfo(result);
 			return TCL_ERROR;
 		} else {
 			memcpy(&mreq6.ipv6mr_multiaddr, &((struct sockaddr_in6*)(result->ai_addr))->sin6_addr,sizeof(mreq6.ipv6mr_multiaddr));