use CALLOC_ARRAY

Add and apply a semantic patch for converting code that open-codes
CALLOC_ARRAY to use it instead.  It shortens the code and infers the
element size automatically.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/trailer.c b/trailer.c
index 249ed61..5308165 100644
--- a/trailer.c
+++ b/trailer.c
@@ -445,7 +445,7 @@ static struct arg_item *get_conf_item(const char *name)
 	}
 
 	/* Item does not already exists, create it */
-	item = xcalloc(sizeof(*item), 1);
+	CALLOC_ARRAY(item, 1);
 	duplicate_conf(&item->conf, &default_conf_info);
 	item->conf.name = xstrdup(name);