Fix cancel button of QSF import. Patch provided by Georgi Mirchev, bug#343723.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@15083 57a11ea4-9604-0410-9ed3-97b8803252fd

src/gnome/druid-merge.c

@@ -181,8 +181,8 @@ on_import_next (GnomeDruidPage  *gnomedruidpage,
 static void
 on_merge_cancel (GnomeDruid *gnomedruid, gpointer user_data)
 {
+	g_return_if_fail(mergeBook != NULL);
 	gnc_suspend_gui_refresh ();
-	g_return_if_fail(mergeData != NULL);
 	delete_merge_window();
 	qof_book_destroy(mergeBook);
 	qof_session_end(merge_session);