Consider lua in the Main Interface category

(cherry picked from commit 0c60f1a7)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/lua/vlc.c

@@ -91,7 +91,7 @@ vlc_module_begin ()
         set_shortname( N_("Lua") )
         set_description( N_("Lua interpreter") )
         set_category( CAT_INTERFACE )
-        set_subcategory( SUBCAT_INTERFACE_CONTROL )
+        set_subcategory( SUBCAT_INTERFACE_MAIN )
         add_string( "lua-intf", "dummy",
                     INTF_TEXT, INTF_LONGTEXT, false )
         add_string( "lua-config", "",