wxGUI: fix typo from https://trac.osgeo.org/grass/changeset/52257

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@52258 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gcp/manager.py

@@ -2126,7 +2126,7 @@ class VectGroup(wx.Dialog):
         self.grassdatabase = grassdb
         self.xylocation = location
         self.xymapset = mapset
-        self.xuygroup = group
+        self.xygroup = group
         
         #
         # get list of valid vector directories