[grilo] tests: include lib-net into make check

[Victor Toso de Carvalho <victortoso src gnome org>]

commit 6ffe44554fe4abd4f21e35497133c1ebe02482af
Author: Victor Toso <me victortoso com>
Date:   Mon Sep 19 17:09:31 2016 +0200

    tests: include lib-net into make check
    
    https://bugzilla.gnome.org/show_bug.cgi?id=771338

 tests/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 1083b31..01f01b3 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -21,7 +21,7 @@ registry_SOURCES = registry.c
 registry_LDADD = $(progs_ldadd)
 
 if BUILD_GRILO_NET
-TEST_PROGS      = lib-net
+TEST_PROGS      += lib-net
 lib_net_SOURCES = lib-net.c
 lib_net_LDADD = $(progs_ldadd)
 endif