g.gui.iclass: center on screen before showing the frame

              TODO: why Maximize doesn't work for frame which is not shown


git-svn-id: https://svn.osgeo.org/grass/grass/trunk@54489 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/iclass/g.gui.iclass.py

@@ -99,12 +99,11 @@ def main():
         giface.WriteLog(_("Loading training map <%s>...") % trainingmap_name)
         frame.ImportAreas(trainingmap_name)
 
+    if not flags['m']:
+        frame.CenterOnScreen()
     frame.Show()    
     if flags['m']:
         frame.Maximize()
-    else:
-        frame.CenterOnScreen()
-
     
     app.MainLoop()