Move documentation to the constructor.  Fixes a -Wdocumentation warning


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@182134 91177308-0d34-0410-b5e6-96231b3b80d8
Objective-C parsing. Error recovery when category implementation
declaration is illegally protocol qualified. // rdar://13920026


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@182136 91177308-0d34-0410-b5e6-96231b3b80d8