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/builtin/merge.c b/builtin/merge.c
index eb00b273e6..388619536a 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -210,7 +210,7 @@ static struct strategy *get_strategy(const char *name)
 		exit(1);
 	}
 
-	ret = xcalloc(1, sizeof(struct strategy));
+	CALLOC_ARRAY(ret, 1);
 	ret->name = xstrdup(name);
 	ret->attr = NO_TRIVIAL;
 	return ret;