Some of the tests from earlier today had 'int' as the return type when it should have been 'bool'. Fix that. It doesn't change the behavior of any of the tests, but it's more accurate.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@322505 91177308-0d34-0410-b5e6-96231b3b80d8
15 files changed