[DE] Fixed About window.

Applications/DataExplorer/mainwindow.cpp

@@ -728,9 +728,8 @@ void MainWindow::showLicense()
 
 void MainWindow::about()
 {
-    QString about("<a href='http://www.opengeosys.org'>http://www.opengeosys.org</a><br /><br />");
-    about.append(QString("Version: <a href='https://github.com/ufz/ogs/releases/tag/%2'>%1</a><br /><br />")
-        .arg(QString::fromStdString(BaseLib::BuildInfo::ogs_version))
+    QString about("<a href='https://www.opengeosys.org'>www.opengeosys.org</a><br /><br />");
+    about.append(QString("Version: %1<br />")
         .arg(QString::fromStdString(BaseLib::BuildInfo::ogs_version)));
 
     about.append(QString("Git commit: <a href='https://github.com/ufz/ogs/commit/%1'>%1</a><br />")