wxGUI/dmon: fix import path after recent changes

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@67329 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/mapdisp/main.py

@@ -32,6 +32,9 @@ import time
 import shutil
 import fileinput
 
+from grass.script.setup import set_gui_path
+set_gui_path()
+
 from core          import globalvar
 import wx