[geo] use unlink again because link accepts nil ID.

See also commit:c0cb00c64c814121f87161f8edb18fddf05653d6 in groonga.
mroonga · Nov 22, 2011 · 9ac4941 · 9ac4941
1 parent b438ac8
commit 9ac4941
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ha_mroonga.cc b/ha_mroonga.cc
@@ -5624,7 +5624,7 @@ void ha_mroonga::clear_cursor_geo()
 {
   MRN_DBUG_ENTER_METHOD();
   if (geo_cursor) {
-    grn_obj_close(ctx, geo_cursor);
+    grn_obj_unlink(ctx, geo_cursor);
     geo_cursor = NULL;
   }
   DBUG_VOID_RETURN;