wxGUI/modeler: missing import

	       (merge https://trac.osgeo.org/grass/changeset/49765 from devbr6)


git-svn-id: https://svn.osgeo.org/grass/grass/trunk@49766 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gmodeler/frame.py

@@ -48,7 +48,7 @@ from gui_core.menu        import Menu
 from gmodeler.menudata    import ModelerData
 from icons.icon           import Icons
 from gui_core.forms       import GUI
-from gmodeler.preferences import PreferencesDialog
+from gmodeler.preferences import PreferencesDialog, PropertiesDialog
 
 from gmodeler.model       import *
 from gmodeler.dialogs     import *