[gtk+/gtk-3-20] Really fix underlinkage for shm_open

[Matthias Clasen <matthiasc src gnome org>]

commit c8ef3b1a60db0f80a9d8409df004fb6e42faae37
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Aug 11 07:07:05 2016 -0400

    Really fix underlinkage for shm_open
    
    Reported in https://bugzilla.gnome.org/show_bug.cgi?id=769603

 gdk/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/Makefile.am b/gdk/Makefile.am
index d8340ee..5a9b795 100644
--- a/gdk/Makefile.am
+++ b/gdk/Makefile.am
@@ -187,7 +187,7 @@ common_sources =            \
 
 libgdk_3_la_SOURCES = $(common_sources)
 libgdk_3_la_CFLAGS = $(AM_CFLAGS) $(GDK_HIDDEN_VISIBILITY_CFLAGS)
-libgdk_3_la_LIBADD = $(GDK_DEP_LIBS)
+libgdk_3_la_LIBADD = $(GDK_DEP_LIBS) $(SHM_LIBS)
 libgdk_3_la_LDFLAGS = $(LDADD)
 
 if USE_X11