K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2015-05-18T13:43:33.953909Z
K 7
svn:log
V 168
Tidy up sys_umask a little bit

Consistently use saved fdp pointer as it cannot change. If it could change the
code would be already incorrect.

No functional changes.

END