Fix a voxglitch svg #1902

Job	Run time
linux (aarch64)	16m 50s
modaudio (modduo, modduo-static, MODDUO=true)	31m 8s
linux (armhf)	14m 16s
modaudio (modduox, modduox-static)	34m 30s
headless	28m 23s
linux (i686)	13m 37s
modaudio (moddwarf, moddwarf)	32m 18s
linux (riscv64)	17m 3s
linux (x86_64)	13m 7s
linux-x86_64-debug	1h 18m 1s
lto	28m 56s
plugin-validation	54m 52s
source-tarball	14m 50s
sysdeps	31m 46s
wasm (simd)	1h 1m 55s
windows (win32)	25m 57s
wasm (nosimd)	1h 0m 26s
windows (win64)	29m 50s
macos (universal-10.15)	1h 9m 13s
	10h 56m 58s

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