Fix an RTP instance allocation failure on Solaris.

(closes issue #16543)
Reported by: crjw
Patches:
      rtp_sin_family.patch uploaded by crjw (license 963)
Tested by: crjw, qwell


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@241098 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/rtp_engine.c

@@ -323,6 +323,7 @@ struct ast_rtp_instance *ast_rtp_instance_new(const char *engine_name, struct sc
 	instance->local_address.sin_family = AF_INET;
 	instance->local_address.sin_addr = sin->sin_addr;
 	instance->remote_address.sin_family = AF_INET;
+	address.sin_family = AF_INET;
 	address.sin_addr = sin->sin_addr;
 
 	ast_debug(1, "Using engine '%s' for RTP instance '%p'\n", engine->name, instance);