Log Message:
-----------
Pass a strdup'd ident string to openlog(), to ensure that reallocation
of GUC memory doesn't cause us to start emitting a bogus ident string.
Per report from Han Holl. Also some trivial code cleanup in write_syslog.
Modified Files:
--------------
pgsql/src/backend/utils/error:
elog.c (r1.162 -> r1.163)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/error/elog.c.diff?r1=1.162&r2=1.163)