Fix silly segfault in low latency mode. #472

Job	Run time
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=GLFW	23m 58s
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=libretro	23m 39s
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=KHR_DISPLAY	23m 18s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=GLFW	26m 59s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=libretro	23m 18s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=KHR_DISPLAY	26m 23s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=GLFW	21m 15s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=libretro	25m 9s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=KHR_DISPLAY	20m 54s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=GLFW	25m 7s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=libretro	20m 54s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=KHR_DISPLAY	21m 7s
	4h 42m 1s

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