Log Message:
-----------
Don't try to close negative file descriptors, since this can cause
crashes on certain platforms. In particular, the MSVC runtime is known
to do this.
Fixes bug #4162, reported and diagnosed by Javier Pimas
Modified Files:
--------------
pgsql/src/backend/access/transam:
xlog.c (r1.307 -> r1.308)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xlog.c?r1=1.307&r2=1.308)