Revert "[C++11] Replace trivial lambda with std::cref."

MSVC2013's standard library is too broken to understand this pattern.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@202971 91177308-0d34-0410-b5e6-96231b3b80d8
Style fix: replace "1 entries" with "1 entry" in the vftable layout dumping code

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@202978 91177308-0d34-0410-b5e6-96231b3b80d8