awesome: 16px icon box - patch

--- a/lib/awful/widget/common.lua.in    2014-01-20 18:07:15.378909785 +0400
+++ b/lib/awful/widget/common.lua.in    2014-02-04 06:00:53.189995152 +0400
@@ -58,7 +58,7 @@

             -- All of this is added in a fixed widget
             l:fill_space(true)
-            l:add(ib)
+            l:add(wibox.layout.constraint(ib, nil, 16, 16))
             l:add(m)

             -- And all of this gets a background