Remove warning for null characters in CFString literals.  Clang handles them just fine, and GCC 4.2 doesn't warn here either.

We added this warning back in 2007 when we were comparing against GCC 4.0.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127704 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed