addresses #1022

forgot to close cursor

git-svn-id: file:///svn/mysql/tokudb-engine/src@5108 c7de825b-a66e-492c-adef-691d508d4ae1

storage/tokudb/ha_tokudb.cc

@@ -1267,6 +1267,10 @@ int ha_tokudb::estimate_num_rows(DB* db, u_int64_t* num_rows) {
         transaction->commit(transaction, 0);
         transaction = NULL;
     }
+    if (crsr != NULL) {
+        crsr->c_close(crsr);
+        crsr = NULL;
+    }
     return error;
 }