[qet] qet/qet: [5947] Fix crash when launch qet with command line argument -v.

[subversion@xxxxxxxxxxxxx]

Revision: 5947
Author:   blacksun
Date:     2019-06-26 17:35:49 +0200 (Wed, 26 Jun 2019)
Log Message:
-----------
Fix crash when launch qet with command line argument -v.
See bug : https://qelectrotech.org/bugtracker/view.php?id=170

Modified Paths:
--------------
    trunk/sources/qetapp.cpp

Modified: trunk/sources/qetapp.cpp
===================================================================
--- trunk/sources/qetapp.cpp	2019-06-26 08:02:48 UTC (rev 5946)
+++ trunk/sources/qetapp.cpp	2019-06-26 15:35:49 UTC (rev 5947)
@@ -105,7 +105,9 @@
 	}
 	
 	buildSystemTrayMenu();
-	m_splash_screen -> hide();
+    if (m_splash_screen) {
+        m_splash_screen -> hide();
+    }
 	
 	checkBackupFiles();
 }