lightfield_tile_list_decoder: use fatal() for OOM

rather than die(). This avoids the unnecessary, and somewhat confusing,
output of the usage.

Change-Id: Id15dc94d0603bd14c406175385baacf1cc81234d

examples/lightfield_tile_list_decoder.c

diff --git a/examples/lightfield_tile_list_decoder.c b/examples/lightfield_tile_list_decoder.c
index 5b15ae0..d71ff5b 100644
--- a/examples/lightfield_tile_list_decoder.c
+++ b/examples/lightfield_tile_list_decoder.c
@@ -170,7 +170,7 @@
         if (!aom_img_alloc_with_border(&reference_images[j], ref_fmt,
                                        frame_res[0], frame_res[1], 32, 8,
                                        border)) {
-          die("Failed to allocate references.");
+          fatal("Failed to allocate references.");
         }
       }
     }