[linux_fonts] Add FcObjectSet parameter to FcFontList

Author: moi15moi

find_system_fonts_filename/linux_fonts.py

@@ -58,7 +58,7 @@ def get_system_fonts_filename() -> Set[str]:
         config = LinuxFonts._font_config.FcInitLoadConfigAndFonts()
         pat = LinuxFonts._font_config.FcPatternCreate()
         os = LinuxFonts._font_config.FcObjectSetBuild(b"file", b"fontformat", 0)
-        fs = LinuxFonts._font_config.FcFontList(config, pat, None)
+        fs = LinuxFonts._font_config.FcFontList(config, pat, os)
 
         for i in range(fs.contents.nfont):
             font = fs.contents.fonts[i]