wxGUI: fix previous commit https://trac.osgeo.org/grass/changeset/57132

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@57133 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/mapdisp/statusbar.py

@@ -1031,7 +1031,7 @@ class SbProgress(SbItem):
         Calls wx.Yield which allows
         to update gui for displaying progress.
         """
-        self.SafeSetValue(self, value)
+        self.SafeSetValue(value)
         wx.Yield()
 
     def SafeSetValue(self, value):