Sync SDL3 wiki -> header

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include/SDL3/SDL_gpu.h

@@ -1805,6 +1805,7 @@ typedef struct SDL_GPUBufferCreateInfo
  *
  * \since This struct is available since SDL 3.2.0.
  *
+ * \sa SDL_GPUTransferBufferUsage
  * \sa SDL_CreateGPUTransferBuffer
  */
 typedef struct SDL_GPUTransferBufferCreateInfo