switch PTH lexer from using "const char*"s to "const unsigned char*"s 
internally.  This is just a cleanup that reduces the need to cast to
unsigned char before assembling a larger integer.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62442 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed