[PATCH] unit: check cipher support and cleanup in test-storage

The __storage_decrypt API requires AES_CTR so support should be
checked before running that test. In addition storage_exit was never
being called which leaves unbalanced mlock/munlock calls.
---
 unit/test-storage.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/unit/test-storage.c b/unit/test-storage.c
index c40518e6..765d9967 100644
--- a/unit/test-storage.c
+++ b/unit/test-storage.c
@@ -44,12 +44,19 @@ static void test_short_encrypted_bytes(const void *data)
 
 int main(int argc, char *argv[])
 {
+	int ret;
+
 	l_test_init(&argc, &argv);
 
 	storage_init((const uint8_t *)"abc123", 6);
 
-	l_test_add("/storage/profile encryption",
+	if (l_cipher_is_supported(L_CIPHER_AES_CTR))
+		l_test_add("/storage/profile encryption",
 			test_short_encrypted_bytes, NULL);
 
-	return l_test_run();
+	ret = l_test_run();
+
+	storage_exit();
+
+	return ret;
 }
-- 
2.34.1