fixed a memory leak in the new Set code

src/rdb.c

@@ -714,6 +714,8 @@ robj *rdbLoadObject(int type, FILE *fp) {
              * to regular hashtable encoded set */
             if (o->encoding == REDIS_ENCODING_HT) {
                 dictAdd((dict*)o->ptr,ele,NULL);
+            } else {
+                decrRefCount(ele);
             }
         }
     } else if (type == REDIS_ZSET) {

tests/test_helper.tcl

@@ -11,7 +11,7 @@ source tests/support/util.tcl
 
 set ::host 127.0.0.1
 set ::port 16379
-set ::traceleaks 0
+set ::traceleaks 1
 set ::valgrind 0
 set ::denytags {}
 set ::allowtags {}