[gnome-music/wip/mschraal/libgd] configure.ac: Remove gtk-hacks from libgd init

[Marinus Schraal <mschraal src gnome org>]

commit ed3deca9559f05f01675727239a2f88d3cddafc9
Author: Marinus Schraal <mschraal gnome org>
Date:   Fri Dec 15 22:22:17 2017 +0100

    configure.ac: Remove gtk-hacks from libgd init
    
    Updated libgd to commit 4e0f712f, which includes a fix to correctly
    include gtk-hacks when main-view is selected. Removing the need to
    initialize gtk-hacks in music.

 configure.ac | 2 +-
 libgd        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ec90a8c..281c2d2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,7 +26,7 @@ AC_PROG_CC
 AM_PROG_CC_C_O
 LT_INIT([disable-static])
 
-LIBGD_INIT([main-view gir tagged-entry gtk-hacks])
+LIBGD_INIT([main-view gir tagged-entry])
 
 PKG_PROG_PKG_CONFIG([0.22])
 
diff --git a/libgd b/libgd
index 10de851..4e0f712 160000
--- a/libgd
+++ b/libgd
@@ -1 +1 @@
-Subproject commit 10de85141f91859c9f1708c317df5129b4172f0c
+Subproject commit 4e0f712f570716886ebb6983e6fae5411d82d30c