File no-build-date.patch of Package xyscan

Index: xyscan/src/xyscanAbout.cpp
===================================================================
--- xyscan.orig/src/xyscanAbout.cpp
+++ xyscan/src/xyscanAbout.cpp
@@ -28,7 +28,7 @@ using namespace std;
 xyscanAbout::xyscanAbout(QWidget* parent, Qt::WindowFlags fl)
     : QDialog(parent, fl),
       mTitlePixmap(":/images/xyscanSplash.png"),
-      mVersionText(QString(tr("Release ")) + QString(VERSION) + QString(" (") + QString(__DATE__) + QString(")"))
+      mVersionText(QString(tr("Release ")) + QString(VERSION))
 {
     setModal(true);