[WIP/PATCH v4 2/8] for-each-ref: simplify code

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In 'grab_single_ref()' remove the extra count variable 'cnt' and
use the variable 'grab_cnt' of structure 'grab_ref_cbdata' directly
instead.

Mentored-by: Christian Couder <christian.couder@xxxxxxxxx>
Mentored-by: Matthieu Moy <matthieu.moy@xxxxxxxxxxxxxxx>
Signed-off-by: Karthik Nayak <karthik.188@xxxxxxxxx>
---
 builtin/for-each-ref.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index b33e2de..919d45e 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -881,7 +881,6 @@ static int grab_single_ref(const char *refname, const unsigned char *sha1, int f
 {
 	struct grab_ref_cbdata *cb = cb_data;
 	struct refinfo *ref;
-	int cnt;
 
 	if (flag & REF_BAD_NAME) {
 		  warning("ignoring ref with broken name %s", refname);
@@ -893,10 +892,8 @@ static int grab_single_ref(const char *refname, const unsigned char *sha1, int f
 
 	ref = new_refinfo(refname, sha1, flag);
 
-	cnt = cb->grab_cnt;
-	REALLOC_ARRAY(cb->grab_array, cnt + 1);
-	cb->grab_array[cnt++] = ref;
-	cb->grab_cnt = cnt;
+	REALLOC_ARRAY(cb->grab_array, cb->grab_cnt + 1);
+	cb->grab_array[cb->grab_cnt++] = ref;
 
 	return 0;
 }
-- 
2.4.2

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