Open Program: Fix whitespace handling (#87)

Fixes errors external apps give when you have whitespaces in the file name and you try to open the file in an external editor (e.g. GIMP). This happens because whitespaces are interpreted as shell argument separators.

src/capture/workers/launcher/applauncherwidget.cpp

@@ -101,7 +101,7 @@ void AppLauncherWidget::launch(const QModelIndex &index) {
 		}
 	}
 	QString command = index.data(Qt::UserRole).toString().replace(
-				QRegExp("(\%.)"), m_tempFile);
+				QRegExp("(\%.)"), '"' + m_tempFile + '"');
 	bool inTerminal = index.data(Qt::UserRole+1).toBool() ||
 			m_terminalCheckbox->isChecked();
 	if (inTerminal) {