[gtk] docs: Update the switch thumbnail

[Matthias Clasen <matthiasc src gnome org>]

commit 348dcaa4a38c01e388a9b505f1dd48637e88203a
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 8 19:22:23 2020 -0500

    docs: Update the switch thumbnail
    
    Make the thumbnail for switches reflect the
    current appearance of this widget.

 docs/reference/gtk/images/switch.png | Bin 3134 -> 3309 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtk/images/switch.png b/docs/reference/gtk/images/switch.png
index 26d6a5b79f..7857d95d93 100644
Binary files a/docs/reference/gtk/images/switch.png and b/docs/reference/gtk/images/switch.png differ