XXSQLInterface: minor fixes..

extensions/DBServer-MySQL/MySQLInterface.cc

@@ -177,6 +177,13 @@ string MySQLInterface::addslashes( const string& str )
 // -----------------------------------------------------------------------------------------
 void MySQLInterface::makeResult(DBResult& dbres, MYSQL_RES* myres, bool finalize )
 {
+	if( !myres )
+	{
+		if( finalize )
+			mysql_free_result(myres);
+		return;
+	}
+
 	MYSQL_ROW mysql_row;
 	unsigned int nfields = mysql_num_fields(myres);
 

extensions/DBServer-SQLite/SQLiteInterface.cc

@@ -222,6 +222,13 @@ bool SQLiteInterface::isConnection()
 // -----------------------------------------------------------------------------------------
 void SQLiteInterface::makeResult(DBResult& dbres, sqlite3_stmt* s, bool finalize )
 {
+	if( !s )
+	{
+		if( finalize )
+			sqlite3_finalize(s);
+		return;
+	}
+
 	do
 	{
 		int n = sqlite3_data_count(s);