Use the ARRAY_SIZE macro to get the number
of elements in an array.

Signed-off-by: Elia Pinto <gitter.spi...@gmail.com>
---
 submodule.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/submodule.c b/submodule.c
index b80ecac..48e3b44 100644
--- a/submodule.c
+++ b/submodule.c
@@ -965,7 +965,7 @@ static int find_first_merges(struct object_array *result, 
const char *path,
                        sha1_to_hex(a->object.sha1));
        init_revisions(&revs, NULL);
        rev_opts.submodule = path;
-       setup_revisions(sizeof(rev_args)/sizeof(char *)-1, rev_args, &revs, 
&rev_opts);
+       setup_revisions(ARRAY_SIZE(rev_args)-1, rev_args, &revs, &rev_opts);
 
        /* save all revisions from the above list that contain b */
        if (prepare_revision_walk(&revs))
-- 
1.7.10.4

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