Warning in rsvg.h breaks -Werror with Clang
Regressed by eff053df. From error log:
$ cc --version
FreeBSD clang version 13.0.0 (git@github.com:llvm/llvm-project.git llvmorg-13.0.0-0-gd7b669b3a303)
Target: x86_64-unknown-freebsd14.0
Thread model: posix
InstalledDir: /usr/bin
$ printf '#include <librsvg/rsvg.h>\nint main() {}\n' >a.c
$ cc -Werror $(pkg-config --cflags --libs librsvg-2.0) a.c
In file included from a.c:1:
/usr/local/include/librsvg-2.0/librsvg/rsvg.h:125:66: error: '/*' within block comment [-Werror,-Wcomment]
* included through XML entities) if those files are in `/foo/bar/*` or in `/foo/bar/*\/.../*`.
^
/usr/local/include/librsvg-2.0/librsvg/rsvg.h:125:85: error: '/*' within block comment [-Werror,-Wcomment]
* included through XML entities) if those files are in `/foo/bar/*` or in `/foo/bar/*\/.../*`.
^
/usr/local/include/librsvg-2.0/librsvg/rsvg.h:125:92: error: '/*' within block comment [-Werror,-Wcomment]
* included through XML entities) if those files are in `/foo/bar/*` or in `/foo/bar/*\/.../*`.
^
3 errors generated.
Note, Clang is default C/C++ compiler on FreeBSD, OpenBSD, macOS, Android, OpenMandriva.