[clangd] Fix build bot after r342961
authorEric Liu <ioeric@google.com>
Tue, 25 Sep 2018 11:47:14 +0000 (11:47 +0000)
committerEric Liu <ioeric@google.com>
Tue, 25 Sep 2018 11:47:14 +0000 (11:47 +0000)
commita9d41f94b9a3db4c07ee6d8a950bba1893742c61
tree260b4a1cb6a5369a0f82aa052c375cc9b9b535aa
parentcb4cd5ccdcee4c126992fe3e6fc1ddbe241073e9
[clangd] Fix build bot after r342961

Use llvm::isAlpha instead of std::isalpha etc. This should fix bot failure:
http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast/builds/20180

llvm-svn: 342964
clang-tools-extra/clangd/URI.cpp