make source display current display

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@45055 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/gcpmanager.py

@@ -861,14 +861,15 @@ class GCP(MapFrame, wx.Frame, ColumnSorterMixin):
         #
         # show new display & draw map
         #
-        self.MapWindow = self.SrcMapWindow
-        self.Map = self.SrcMap
-        self.OnZoomToMap(None)
         if self.show_target:
             self.MapWindow = self.TgtMapWindow
             self.Map = self.TgtMap
             self.OnZoomToMap(None)
 
+        self.MapWindow = self.SrcMapWindow
+        self.Map = self.SrcMap
+        self.OnZoomToMap(None)
+
         #
         # bindings
         #