[gnome-autoar] tests: Add missing linker flags

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit b405cdc4347d972407fd0b497ca8e796c8531392
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Sep 1 16:36:42 2016 +0200

    tests: Add missing linker flags

 Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 3bccc5a..003fdd7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -198,6 +198,7 @@ test_cflags = \
        $(NULL)
 
 test_libs = \
+       $(GIO_LIBS)             \
        $(top_builddir)/gnome-autoar/libgnome-autoar-@LIBGNOME_AUTOAR_API_VERSION@.la   \
        $(NULL)
 
@@ -226,6 +227,7 @@ test_gtk_cflags = \
        $(NULL)
 
 test_gtk_libs = \
+       $(GTK_LIBS)             \
        $(top_builddir)/gnome-autoar/libgnome-autoar-gtk-@LIBGNOME_AUTOAR_API_VERSION@.la       \
        $(top_builddir)/gnome-autoar/libgnome-autoar-@LIBGNOME_AUTOAR_API_VERSION@.la   \
        $(NULL)