tests: Fix the make distcheck of libosmocore with the tests
diff --git a/tests/msgfile/Makefile.am b/tests/msgfile/Makefile.am
index c9f4bec..88c355d 100644
--- a/tests/msgfile/Makefile.am
+++ b/tests/msgfile/Makefile.am
@@ -1,5 +1,6 @@
 INCLUDES = $(all_includes) -I$(top_srcdir)/include
 noinst_PROGRAMS = msgfile_test
+EXTRA_DIST = msgfile_test.ok msgconfig.cfg
 
 msgfile_test_SOURCES = msgfile_test.c
 msgfile_test_LDADD = $(top_builddir)/src/libosmocore.la