execInt: rethrow if no_rows, so callers can handle it

database/sqlitedao.cpp

@@ -45,6 +45,10 @@ int SqliteDao::execInt(sqlite::database_binder &binder) const
 		binder >> result;
 		return result;
 	}
+	catch(sqlite::exceptions::no_rows &e)
+	{
+		throw;
+	}
 	catch(sqlite::sqlite_exception &e)
 	{
 		throwFrom(e);