K 10
svn:author
V 6
jilles
K 8
svn:date
V 27
2010-01-14T23:27:23.241192Z
K 7
svn:log
V 304
In 'make delete-old', use 'exec' to redirect an fd persistently.

That is, write 'exec 3<&0' instead of '3<&0'. Due to an sh(1) bug fixed in
r199953, the latter also persisted, provided that fd 3 was not open before.
With newer sh or fd 3 open, it would not delete orphaned catpages.

MFC after:	2 weeks

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