[gdk-pixbuf] tests: Fix EXIF comment test in dist tarballs

[Bastien Nocera <hadess src gnome org>]

commit 63c45b323e2d2ffbbb5dfa3071bc7a49d88505af
Author: Mart Raudsepp <leio gentoo org>
Date:   Wed Mar 29 01:16:09 2017 +0300

    tests: Fix EXIF comment test in dist tarballs
    
    https://bugzilla.gnome.org/show_bug.cgi?id=780667

 tests/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 8126c12..66b103f 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -60,6 +60,7 @@ dist_installed_test_data =            \
        dpi.tiff                        \
        premature-end.png               \
        premature-end.jpg               \
+       bug143608-comment.jpg           \
        bug725582-testrotate.jpg        \
        bug725582-testrotate.png        \
        cve-2015-4491.bmp               \