[t:1980], fix problem in rename_table

git-svn-id: file:///svn/mysql/tokudb-engine/src@14495 c7de825b-a66e-492c-adef-691d508d4ae1

storage/tokudb/ha_tokudb.cc

@@ -4965,9 +4965,10 @@ int ha_tokudb::rename_table(const char *from, const char *to) {
     error = rename(newfrom, newto);
     if (error != 0) {
         error = my_errno = errno;
+        goto cleanup;
     }
 
-    rename_table_in_metadata(from, to);
+    error = rename_table_in_metadata(from, to);
 
 cleanup:
     {