Fix memory leak in cluster config parsing

The continue stop us from triggering the
free after the long line for loop, so add it
earlier.

src/cluster.c

@@ -164,6 +164,7 @@ int clusterLoadConfig(char *filename) {
                         argv[j]);
                 }
             }
+            sdsfreesplitres(argv,argc);
             continue;
         }