[ostree] deltas: Make syntax-check happy

[Colin Walters <walters src gnome org>]

commit dbad2f6e19999ddc8b028d00061f128331836f3f
Author: Colin Walters <walters verbum org>
Date:   Sat Jan 31 14:52:16 2015 -0500

    deltas: Make syntax-check happy

 tests/test-rollsum.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/test-rollsum.c b/tests/test-rollsum.c
index e79c895..c64943e 100644
--- a/tests/test-rollsum.c
+++ b/tests/test-rollsum.c
@@ -41,7 +41,7 @@ main (int argc, char **argv)
   g_setenv ("GIO_USE_VFS", "local", TRUE);
 
   if (argc < 3)
-    exit (1);
+    exit (EXIT_FAILURE);
 
   from_path = argv[1];
   to_path = argv[2];