Part of future embed modular build mechanism, not part of seamonkey build. Adding gtkembedmoz module to map.

config/module2dir.pl

@@ -47,6 +47,7 @@ my %map = (
   'find',               'xpfe/components/find embedding/components/find',
   'gfx',                'gfx',
   'gfx2',               'gfx2',
+  'gtkembedmoz',        'embedding/browser/gtk/tests',
   'gtkxtbin',           'widget/src/gtkxtbin',
   'helperAppDlg',       'embedding/components/ui/helperAppDlg',
   'htmlparser',         'htmlparser',