[glib] gosxappinfo: Fix launching default applications

[Patrick Griffis <pgriffis src gnome org>]

commit 392bd59eb8ec94cfdda4891dc908c5a0556e00dd
Author: Patrick Griffis <tingping tingping se>
Date:   Wed Mar 15 01:21:09 2017 -0400

    gosxappinfo: Fix launching default applications
    
    https://bugzilla.gnome.org/show_bug.cgi?id=734946

 gio/gosxappinfo.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gio/gosxappinfo.c b/gio/gosxappinfo.c
index 24c7bc4..564ae2c 100644
--- a/gio/gosxappinfo.c
+++ b/gio/gosxappinfo.c
@@ -274,7 +274,8 @@ create_urlspec_for_appinfo (GOsxAppInfo *info,
   LSLaunchURLSpec *urlspec = g_new0 (LSLaunchURLSpec, 1);
   gchar *app_cstr = g_osx_app_info_get_filename (info);
 
-  urlspec->appURL = create_url_from_cstr (app_cstr, are_files);
+  /* Strip file:// from app url but ensure filesystem url */
+  urlspec->appURL = create_url_from_cstr (app_cstr + 7, TRUE);
   urlspec->launchFlags = kLSLaunchDefaults;
   urlspec->itemURLs = create_url_list_from_glist (uris, are_files);