Fix up the calls to CorrectTypo in Sema*ObjC.cpp to use callback
objects, and add a basic CorrectionCandidateCallback template class
to simplify the fixups.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148085 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed