[gnome-photos/wip/rishi/flowbox: 3/5] Update to latest libgd

[Debarshi Ray <debarshir src gnome org>]

commit eaec085a56a109a95280148c9786a15a0c65de1a
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Dec 2 10:46:31 2016 +0100

    Update to latest libgd
    
    We need GdMainBox.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=690623

 configure.ac |    1 +
 libgd        |    2 +-
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index f5eccc0..3f08ff7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -110,6 +110,7 @@ PKG_CHECK_MODULES(TRACKER, [tracker-control-1.0 tracker-sparql-1.0])
 AX_REQUIRE_DEFINED([LIBGD_INIT])
 LIBGD_INIT([
   gtk-hacks
+  main-box
   main-icon-view
   main-view
   static
diff --git a/libgd b/libgd
index 78a910b..58849a8 160000
--- a/libgd
+++ b/libgd
@@ -1 +1 @@
-Subproject commit 78a910b0440854f97af80a9b0bd8cb4a3d3a06e1
+Subproject commit 58849a8f31a2f99f514a5a5d365f0e9e326a0b18