* node.h (rb_thread_raised_clear): should not clear flags other than
	  raised flags.  a patch by Tomoyuki Chikanaga <chikanag AT
	  nippon-control-system.co.jp> at [ruby-dev:37794].  [ruby-dev:37776]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22624 b2dd03c8-39d4-4d8f-98ff-823fe69b080e