fixed a memory leak when opening a SQLite database fails

Data/SQLite/src/SessionImpl.cpp

@@ -163,14 +163,15 @@ void SessionImpl::open(const std::string& connect)
 			if (rc == SQLITE_OK) break;
 			if (sw.elapsedSeconds() >= tout)
 			{
-				close();
 				Utility::throwException(_pDB, rc);
 			}
-			else Thread::sleep(10);
+			Thread::sleep(10);
+			close();
 		}
 	}
 	catch (SQLiteException& ex)
 	{
+		close();
 		throw ConnectionFailedException(ex.displayText());
 	}