Merge branch 'for-linus' of git://

Pull signal bugfix from Eric Biederman:
 "When making the generic support for SIGEMT conditional on the presence
  of SIGEMT I made a typo that causes it to fail to activate. It was
  noticed comparatively quickly but the bug report just made it to me

* 'for-linus' of git://
  signal: Fix name of SIGEMT in #if defined() check