remove BOM
diff --git a/src/gpu/d3d12/SDL_gpu_d3d12.c b/src/gpu/d3d12/SDL_gpu_d3d12.c
index b76000a..4c40e46 100644
--- a/src/gpu/d3d12/SDL_gpu_d3d12.c
+++ b/src/gpu/d3d12/SDL_gpu_d3d12.c
@@ -1,4 +1,4 @@
-/*
+/*
   Simple DirectMedia Layer
   Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>