[analyzer] Generalize function name checking in CString checker.
(Ex: It was not treating __inline_strcpy as strcpy. Will add tests that
rely on this later on.)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150845 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed