fixup! psa: Disallow use of invalid cipher contexts

Author: Patater

library/psa_crypto.c

@@ -2921,7 +2921,8 @@ static psa_status_t psa_cipher_setup( psa_cipher_operation_t *operation,
                               PSA_KEY_USAGE_DECRYPT );
 
     /* A context must be freshly initialized before it can be set up. */
-    if (operation->alg != 0) {
+    if (operation->alg != 0)
+    {
         return( PSA_ERROR_BAD_STATE );
     }