Tweak printf format string parsing to accept 'hh' conversion specifier to accept any char, not just signed char.  Fixes <rdar://problem/10303638>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142908 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed