* ext/syslog/syslog.c (syslog_write): syslog operations should be
	  protected from $SAFE level 4.  a patch from Keita Yamaguchi
	  <keita.yamaguchi at gmail.com>.
	* ext/syslog/syslog.c (mSyslog_close): ditto.
	* ext/syslog/syslog.c (mSyslog_set_mask): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@17807 b2dd03c8-39d4-4d8f-98ff-823fe69b080e