Merging r214129:
------------------------------------------------------------------------
r214129 | echristo | 2014-07-28 15:00:44 -0700 (Mon, 28 Jul 2014) | 2 lines

Regenerate autoconf, previous updates to the configury haven't
been updating configure.
------------------------------------------------------------------------


git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_35@214261 91177308-0d34-0410-b5e6-96231b3b80d8