[clangd] Use 'std::string' for VFSTag instead of 'int'

Reviewers: krasimir

Reviewed By: krasimir

Subscribers: klimek, cfe-commits

Tags: #clang-tools-extra

Differential Revision: https://reviews.llvm.org/D34106

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@305279 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed