rename getProtocols -> getProtocol, as it only returns a single
protocol.  Simplify some code to use unconditional form of the
protocol access list.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53832 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed