ocfs2: use swap() in swap_refcount_rec()

---
 fs/ocfs2/refcounttree.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
 
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index d8c6af1..b69dd14 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -1406,11 +1406,9 @@ static int cmp_refcount_rec_by_cpos(const void *a, const void *b)
 
 static void swap_refcount_rec(void *a, void *b, int size)
 {
-	struct ocfs2_refcount_rec *l = a, *r = b, tmp;
+	struct ocfs2_refcount_rec *l = a, *r = b;
 
-	tmp = *l;
-	*l = *r;
-	*r = tmp;
+	swap(*l, *r);
 }
 
 /*