Add missing #include, found by modules build.
authorRichard Smith <richard-llvm@metafoo.co.uk>
Thu, 14 May 2015 01:08:58 +0000 (01:08 +0000)
committerRichard Smith <richard-llvm@metafoo.co.uk>
Thu, 14 May 2015 01:08:58 +0000 (01:08 +0000)
commit08abfa3aa9cc79faecbcf34986fc7a3c34496323
tree82dbe9a8ed7c7a4b5b8d7f54ebe7c7bcf6318982
parentd0782a69ff4c04dc4f1dc1c11cb2fb43c6b638f5
Add missing #include, found by modules build.

llvm-svn: 237326
clang/include/clang/Lex/ExternalPreprocessorSource.h