Update pyro protocol. #500

Job	Run time
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=GLFW	15m 12s
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=libretro	15m 5s
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=KHR_DISPLAY	14m 44s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=GLFW	14m 19s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=libretro	14m 35s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=KHR_DISPLAY	14m 8s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=GLFW	16m 13s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=libretro	17m 27s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=KHR_DISPLAY	16m 25s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=GLFW	16m 25s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=libretro	15m 33s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=KHR_DISPLAY	15m 59s
	3h 6m 5s

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