[tracker] tests: Fix distcheck

[Carlos Garnacho <carlosg src gnome org>]

commit b79e52e5b7119ec61b1f86f8a6dea74339d0512b
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat May 28 20:51:13 2016 +0200

    tests: Fix distcheck
    
    Missing data files in EXTRA_DIST

 tests/libtracker-data/functions/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/tests/libtracker-data/functions/Makefile.am b/tests/libtracker-data/functions/Makefile.am
index 24d992f..02e0012 100644
--- a/tests/libtracker-data/functions/Makefile.am
+++ b/tests/libtracker-data/functions/Makefile.am
@@ -7,6 +7,8 @@ EXTRA_DIST += \
        data-2.ttl                                     \
        data-3.ontology                                \
        data-3.ttl                                     \
+       data-4.ontology                                \
+       data-4.ttl                                     \
        functions-property-1.out                       \
        functions-property-1.rq                        \
        functions-tracker-1.out                        \