Remove timing_m_sleep() -> net_usleep()
diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 1df814b..06c479e 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -373,7 +373,7 @@
             len = ret;
             mbedtls_printf( " %d bytes written\n\n%s\n", len, (char *) buf );
 
-            mbedtls_timing_m_sleep( 1000 );
+            mbedtls_net_usleep( 1000000 );
         }
 
         mbedtls_ssl_close_notify( &ssl );