[gegl] Run ff-load-save image tests only when gegl-video is around

[Øyvind Kolås <ok src gnome org>]

commit 53e0672121a77249f32db16c96c837ba7bf19e73
Author: Sebastian Pipping <sebastian pipping org>
Date:   Sun May 13 18:32:33 2018 +0200

    Run ff-load-save image tests only when gegl-video is around

 tests/ff-load-save/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/tests/ff-load-save/Makefile.am b/tests/ff-load-save/Makefile.am
index 4847b24..0ec829b 100644
--- a/tests/ff-load-save/Makefile.am
+++ b/tests/ff-load-save/Makefile.am
@@ -9,10 +9,12 @@ EXTRA_DIST = $(TESTS)
 check: vids images
 
 images: 
+if HAVE_GEXIV2
        for a in *.avi *.mp4 *.ogv ;do \
             GEGL_PATH=$(top_builddir)/operations $(top_builddir)/examples/gegl-video \
             $$a -s 74 -e 74 -of $$a- ;\
         done
+endif # HAVE_GEXIV2
 
 vids: $(TESTS) $(top_builddir)/examples/frame-counter
        GEGL_PATH=$(top_builddir)/operations $(top_builddir)/examples/frame-counter \