wxGUI/composer: fix https://trac.osgeo.org/grass/ticket/2003

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@56799 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/psmap/frame.py

@@ -366,7 +366,7 @@ class PsMapFrame(wx.Frame):
         if event.userData['temp']:
             grass.try_remove(event.userData['filename'])
             
-        wx.CallLater(4000, lambda: self.SetStatusText("", 0))
+        self.delayedCall = wx.CallLater(4000, lambda: self.SetStatusText("", 0))
 
     def getFile(self, wildcard):
         suffix = []
@@ -1080,6 +1080,8 @@ class PsMapFrame(wx.Frame):
         except OSError:
             pass
         grass.set_raise_on_error(False)
+        if hasattr(self, 'delayedCall') and self.delayedCall.IsRunning():
+            self.delayedCall.Stop()
         self.Destroy()