Small addition, not sure if it is necessary

Samo Penic

2016-07-04 c37ddc02423f806716dcbe6403d9d9d03f5668eb

 src/cluster.c

@@ -48,7 +48,7 @@
      }
   }
   cstlist->cluster=(ts_cluster **)realloc(cstlist->cluster,n*sizeof(ts_cluster *));

   cstlist->n=n;
   return TS_SUCCESS;
}