update

install-ffmpeg

@@ -724,7 +724,7 @@ download "https://www.ffmpeg.org/releases/ffmpeg-4.4.tar.gz"
 
 curl -o libavfilter/vf_plusglshader.c https://raw.githubusercontent.com/numberwolf/FFmpeg-Plus-OpenGL/main/Plus-GL-Shader/vf_plusglshader.c
 curl -o libavfilter/vf_lutglshader.c https://raw.githubusercontent.com/numberwolf/FFmpeg-Plus-OpenGL/main/Plus-GL-Shader/vf_lutglshader.c
-curl-o  libavfilter.diff https://raw.githubusercontent.com/numberwolf/FFmpeg-Plus-OpenGL/main/Plus-GL-Shader/libavfilter.diff
+curl -o  libavfilter.diff https://raw.githubusercontent.com/numberwolf/FFmpeg-Plus-OpenGL/main/Plus-GL-Shader/libavfilter.diff
 git apply libavfilter.diff
 # shellcheck disable=SC2086
 ./configure "${CONFIGURE_OPTIONS[@]}" \