* thread.c (Init_Thread): add a code comment why the meaningless

line is necessary.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31676 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sun May 22 04:11:12 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* thread.c (Init_Thread): add a code comment why the meaningless
+	  line is necessary.
+
 Sun May 22 01:35:12 2011  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* ext/date/date_core.c: modified documentation.

thread.c

@@ -4694,6 +4694,7 @@ Init_Thread(void)
 
     rb_thread_create_timer_thread();
 
+    /* suppress warnings on cygwin, mingw and mswin.*/
     (void)native_mutex_trylock;
 }