Fixed a typo in __config that prevented the aligned new/delete tests from passing on Mac OS.
Fixed a typo in __config that prevented the aligned new/delete tests from passing on Mac OS.

git-svn-id: 756ef344af921d95d562d9e9f9389127a89a6314@292822 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx