awful.menu: add __call on module

Signed-off-by: Julien Danjou <julien@danjou.info>

awesomerc.lua.in

@@ -102,7 +102,7 @@ myawesomemenu = {
    { "quit", awesome.quit }
 }
 
-mymainmenu = awful.menu.new({ items = { { "awesome", myawesomemenu, beautiful.awesome_icon },
+mymainmenu = awful.menu({ items = { { "awesome", myawesomemenu, beautiful.awesome_icon },
                                     { "open terminal", terminal }
                                   }
                         })

lib/awful/menu.lua.in

@@ -9,6 +9,7 @@
 local pairs = pairs
 local table = table
 local type = type
+local setmetatable = setmetatable
 local wibox = wibox
 local image = image
 local widget = widget
@@ -369,3 +370,7 @@ function new(menu, parent, num)
 
     return data
 end
+
+setmetatable(_M, { __call = function(_, ...) return new(...) end })
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80