Update GENERATOR_INIT macro to PSA 1.0
diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index 41e19eb..36153a9 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -3238,7 +3238,8 @@
         unsigned char *own_pubkey_ecpoint;
         size_t own_pubkey_ecpoint_len;
 
-        psa_crypto_generator_t generator = PSA_CRYPTO_GENERATOR_INIT;
+        psa_key_derivation_operation_t generator =
+            PSA_KEY_DERIVATION_OPERATION_INIT;
 
         header_len = 4;