[gnome-photos/gnome-3-22] Update to latest libgd

[Debarshi Ray <debarshir src gnome org>]

commit 5b502e8e275b893c0072c0d1a4ffb7070435d497
Author: Debarshi Ray <debarshir gnome org>
Date:   Sat Nov 26 12:07:51 2016 +0100

    Update to latest libgd
    
    Silences the following WARNING:
      Gtk-WARNING **: Theme parsing error: <broken file>:1:0: Failed to
        import: The resource at
        '/org/gnome/libgd/tagged-entry/default.css' does not exist

 libgd |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgd b/libgd
index 1f2e074..eb1e24e 160000
--- a/libgd
+++ b/libgd
@@ -1 +1 @@
-Subproject commit 1f2e07409cf085b74370f8a985de849d0f6d4b57
+Subproject commit eb1e24e96ecbd58c85090fff61ab6d5418880946