Fix key map regression.

The call to show the key binding text was obscured by all of the manual
localization. Readd it.

Scripts/Python/xOptionsMenu.py

@@ -695,6 +695,9 @@ def OnGUINotify(self,id,control,event):
         elif id == KeyMapDlg.id:
             if event == kDialogLoaded:
                 pass
+            elif event == kShowHide:
+                if control.isEnabled():
+                    self.IShowMappedKeys(control, gKM1ControlCodesRow1, gKM1ControlCodesRow2)
             elif event == kAction or event == kValueChanged:
                 kmID = control.getTagID()
                 if kmID == kKMOkBtn: