Fix size_t/off_t mixup in std::filesystem.

Summary: ftruncate takes an off_t, not a size_t.

Reviewers: EricWF, mclow.lists

Reviewed By: EricWF

Subscribers: christof, ldionne, libcxx-commits

Differential Revision: https://reviews.llvm.org/D56578

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@351226 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed