* vm_trace.c (rb_threadptr_exec_event_hooks_orig): 
	  maintain trace_running counter on internal events.
	  This patch is made by Takashi Kokubun <takashikkbn@gmail.com>.
	  [Bug #11603] https://github.com/ruby/ruby/pull/1059

	* vm_trace.c (rb_threadptr_exec_event_hooks_orig):


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@52641 b2dd03c8-39d4-4d8f-98ff-823fe69b080e