mixxxdj/mixxx — pull request #295 by kain88-de (2014-07-22 16:12:22+00:00)
Title: FIX:1311359 add close button to dev-mode window

GTK3 does not add close buttons to a dialog window by default. Since
this is not a Dialog which requires input change the window type to
Qt::Window

Can anyone with OS X test if this is not a regression?