transport: fix leaking OID arrays in git:// transport data

The transport data for the "git://" protocol contains two OID arrays
that we never free, creating a memory leak. Plug them.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: pks-t

t/t5501-fetch-push-alternates.sh

@@ -4,6 +4,7 @@ test_description='fetch/push involving alternates'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 count_objects () {

t/t5519-push-alternates.sh

@@ -5,6 +5,7 @@ test_description='push to a repository that borrows from elsewhere'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success setup '

transport.c

@@ -946,6 +946,8 @@ static int disconnect_git(struct transport *transport)
 	}
 
 	list_objects_filter_release(&data->options.filter_options);
+	oid_array_clear(&data->extra_have);
+	oid_array_clear(&data->shallow);
 	free(data);
 	return 0;
 }