[recipes] Try to fix sending mail on OS X

[Matthias Clasen <matthiasc src gnome org>]

commit 1b8efe9677a64d92b6a583a95a208cf74d05af81
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Feb 28 22:51:34 2017 -0500

    Try to fix sending mail on OS X
    
    We should still do the mailto: thing even if we can't
    get a window handle.

 src/gr-utils.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gr-utils.c b/src/gr-utils.c
index aea8a71..af74a4f 100644
--- a/src/gr-utils.c
+++ b/src/gr-utils.c
@@ -505,7 +505,6 @@ window_export_handle (GtkWindow            *window,
                       WindowHandleExported  callback,
                       gpointer              user_data)
 {
-
 #ifdef GDK_WINDOWING_X11
         if (GDK_IS_X11_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window)))) {
                 GdkWindow *gdk_window = gtk_widget_get_window (GTK_WIDGET (window));
@@ -542,6 +541,7 @@ window_export_handle (GtkWindow            *window,
 #endif
 
         g_warning ("Couldn't export handle, unsupported windowing system");
+        callback (window, "", user_data);
 
         return FALSE;
 }