[gtk+] Fix a signature mismatch

[Matthias Clasen <matthiasc src gnome org>]

commit 158afb4ef983674aa7cd02d3a2fd10d508c4135f
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Nov 19 12:26:40 2016 -0500

    Fix a signature mismatch
    
    The new drawingarea draw func returns void.

 tests/testpixbuf-save.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/tests/testpixbuf-save.c b/tests/testpixbuf-save.c
index 7657599..af51e5d 100644
--- a/tests/testpixbuf-save.c
+++ b/tests/testpixbuf-save.c
@@ -321,8 +321,6 @@ draw_func (GtkDrawingArea *darea,
 
         gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
         cairo_paint (cr);
-
-        return FALSE;
 }
 
 static int