fixed memory leak introduced with the previous commit. Many thanks to Pieter...

fixed memory leak introduced with the previous commit. Many thanks to Pieter Noordhuis for spotting it in no time

src/networking.c

@@ -135,7 +135,10 @@ void _addReplyObjectToList(redisClient *c, robj *o) {
 void _addReplySdsToList(redisClient *c, sds s) {
     robj *tail;
 
-    if (c->flags & REDIS_CLOSE_AFTER_REPLY) return;
+    if (c->flags & REDIS_CLOSE_AFTER_REPLY) {
+        sdsfree(s);
+        return;
+    }
 
     if (listLength(c->reply) == 0) {
         listAddNodeTail(c->reply,createObject(REDIS_STRING,s));