Ruby » Ruby master

• thread_pthread.c (ubf_select): call rb_thread_wakeup_timer_thread()
  only when it is not timer_thread. [Bug #5757] [ruby-dev:44985]
  patched by Tomoyuki Chikanaga.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34038 b2dd03c8-39d4-4d8f-98ff-823fe69b080e