package/libnfs: bump to version 5.0.3
https://github.com/sahlberg/libnfs/blob/libnfs-5.0.3/CHANGELOG
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
(cherry picked from commit 0a0b522b23fdadeafbca904a56047b8cf35760df)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>