[grilo-plugins] tests: Fix missing files in metrolyrics test

[Bastien Nocera <hadess src gnome org>]

commit 07425716e24cf96e150a45aeca4e477e2872b6ca
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Mar 6 18:19:34 2015 +0100

    tests: Fix missing files in metrolyrics test

 tests/lua-factory/sources/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/tests/lua-factory/sources/Makefile.am b/tests/lua-factory/sources/Makefile.am
index 890a836..5b0fbb7 100644
--- a/tests/lua-factory/sources/Makefile.am
+++ b/tests/lua-factory/sources/Makefile.am
@@ -50,4 +50,6 @@ MAINTAINERCLEANFILES =        \
    *.in                \
    *~
 
+EXTRA_DIST = $(metrolyrics_resources_files) test_lua_metrolyrics.gresource.xml
+
 DISTCLEANFILES = $(MAINTAINERCLEANFILES)