mbedtls_ssl_transform_free(): fix destruction of psa keys

Signed-off-by: Przemyslaw Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/library/ssl_msg.c b/library/ssl_msg.c
index 1f946b6..46b9f0c 100644
--- a/library/ssl_msg.c
+++ b/library/ssl_msg.c
@@ -5405,8 +5405,8 @@
     mbedtls_cipher_free( &transform->cipher_ctx_dec );
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-    psa_destroy_key( &transform->psa_key_enc );
-    psa_destroy_key( &transform->psa_key_dec );
+    psa_destroy_key( transform->psa_key_enc );
+    psa_destroy_key( transform->psa_key_dec );
 #endif
 
 #if defined(MBEDTLS_SSL_SOME_SUITES_USE_MAC)