Wrong permissions for style CSS file
Commit f87317d0 uses:
Which sets the permissions to write-only for the user. This prevents things like reading the file, or copying it, or moving it to a new location.
This breaks the build of modules using gtk-doc on tools that install to a separate
DESTDIR and then move the files to the appropriate location, like:
- various Linux distribution packaging tools
The flags should, at the very least, be
stat.S_IWRITE | stat.S_IREAD, but I'd recommend using