LIBRETRO: BUILD: fix ps1 build #13

Job	Run time
Windows (x64, x64, x64-windows, --enable-discord --enable-faad --enable-gif --enable-mikmod --ena...	1h 16m 18s
Windows (win32, x86-windows, x86, --enable-discord --enable-faad --enable-gif --enable-mikmod --e...	1h 26m 22s
Ubuntu (ubuntu-latest, sdl2-config, ccache g++, liba52-dev libcurl4-openssl-dev libfaad-dev libfl...	29m 12s
Ubuntu (ubuntu-22.04, sdl-config, ccache g++-4.8, g++-4.8 liba52-dev libcurl4-openssl-dev libfaad...	25m 48s
Emscripten (emscripten (extra libs), --enable-gif --enable-jpeg --enable-ogg --enable-png --enabl...	33m 11s
Emscripten (emscripten, --enable-gif --enable-jpeg --enable-ogg --enable-png --enable-vorbis --en...	39m 53s
Xcode (ios7, -scheme ScummVM-iOS CODE_SIGN_IDENTITY="" CODE_SIGNING_ALLOWED=NO, --use-xcframework...	1s
Windows (arm64, arm64, arm64-windows, --enable-discord --enable-faad --enable-gif --enable-mikmod...	1h 18m 55s
Xcode (macosx, -scheme ScummVM-macOS -destination 'platform=macOS,arch=x86_64', --disable-nasm --...	1s
	6h 9m 41s

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