Fix some old names that remained

- most in doxygen doc that was never renamed
- some re-introduced in comments/doc/strings by me
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index d0260ec..1d2132e 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -1826,7 +1826,7 @@
                                                sizeof( client_ip ) ) ) != 0 )
         {
             mbedtls_printf( " failed\n  ! "
-                    "ssl_set_client_transport_id() returned -0x%x\n\n", -ret );
+                    "mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n", -ret );
             goto exit;
         }
     }