[PATCH 2/2] Fix mem leak in branch.c due to not-free newly added virtual_name variable

["ctmbl via GitGitGadget" <gitgitgadget@gmail.com>]

From: ctmbl <mabileau.clement@gmail.com>

Previous commit introduced virtual_name variable which is the name of
the branch in case it has been a remote ref (used to check whether the
user simply forgot `--remote` flag) but didn't free it.
Call FREE_AND_NULL(virtual_name) to solve it.

Signed-off-by: Clement Mabileau <mabileau.clement@gmail.com>
---
 builtin/branch.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/builtin/branch.c b/builtin/branch.c
index 8e768761b9b..697636e2874 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -279,6 +279,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
 							| RESOLVE_REF_NO_RECURSE
 							| RESOLVE_REF_ALLOW_BAD_NAME,
 							&oid, &flags);
+				FREE_AND_NULL(virtual_name);
 				if (virtual_target)
 					error(_(MISSING_BRANCH_HINT_MSG), bname.buf);
 				else
-- 
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