Fix a couple of tests that assumed that compare retunred -1/0/1 instead of <0/0/>0. Thanks to Jonathan Wakely for the report.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@359104 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed