$OpenBSD: patch-src_calibre_gui2___init___py,v 1.7 2017/01/12 23:39:53 sthen Exp $

- enable --detach, used by some .desktop files

--- src/calibre/gui2/__init__.py.orig	Fri Dec 30 03:16:06 2016
+++ src/calibre/gui2/__init__.py	Thu Jan 12 23:27:17 2017
@@ -901,7 +901,7 @@ def load_builtin_fonts():
 
 
 def setup_gui_option_parser(parser):
-    if islinux:
+    if islinux or isbsd:
         parser.add_option('--detach', default=False, action='store_true',
                           help=_('Detach from the controlling terminal, if any (linux only)'))
 
