Merge pull request #1406 from lioncash/const

DolphinQt: Make GetOS const

Source/Core/DolphinQt/SystemInfo.cpp

@@ -60,7 +60,7 @@ void DSystemInfo::UpdateSystemInfo()
 	m_ui->txtSysInfo->setPlainText(sysinfo);
 }
 
-QString DSystemInfo::GetOS()
+QString DSystemInfo::GetOS() const
 {
 	QString ret;
 	/* DON'T REORDER WITHOUT READING Qt DOCS! */

Source/Core/DolphinQt/SystemInfo.h

@@ -27,5 +27,5 @@ private:
 	std::unique_ptr<Ui::DSystemInfo> m_ui;
 
 	void UpdateSystemInfo();
-	QString GetOS();
+	QString GetOS() const;
 };