Fix "invalid settings" dialog appearing twice.

Instead of checking the settings on startup set only the device display.
Otherwise the settings are checked directly on startup and after finishing the
build information download, which leads to the configuration dialog getting
opened twice.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31593 a1c6a512-1295-4272-9138-f99709370657

rbutil/rbutilqt/rbutilqt.cpp

@@ -107,7 +107,7 @@ RbUtilQt::RbUtilQt(QWidget *parent) : QMainWindow(parent)
         RegCloseKey(hk);
     }
 #endif
-    updateSettings();
+    updateDevice();
     downloadInfo();
 
     m_gotInfo = false;