[gnome-builder] build: link against libegg-private.la manually

[Christian Hergert <chergert src gnome org>]

commit df931ba22287e27ace4bb2fad6612195bf160c19
Author: Christian Hergert <christian hergert me>
Date:   Thu Jan 21 13:11:46 2016 -0800

    build: link against libegg-private.la manually
    
    For the distros that don't support indirect linking.

 src/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index e8858d1..b2480e2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -16,6 +16,7 @@ AM_CPPFLAGS = \
 
 gnome_builder_libs = \
        $(LIBIDE_LIBS) \
+       $(top_builddir)/contrib/egg/libegg-private.la \
        $(top_builddir)/data/icons/hicolor/libicons.la \
        $(top_builddir)/libide/libide-1.0.la \
        $(NULL)