[libclang] Don't report a DecayedType as "unexposed", report it as the original (as written) type.

Patch by Anders Waldenborg!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190796 91177308-0d34-0410-b5e6-96231b3b80d8
New message for cases when ownership is taken:
"+method_name: cannot take ownership of memory allocated by 'new'."
instead of the old
"Memory allocated by 'new' should be deallocated by 'delete', not +method_name"

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190800 91177308-0d34-0410-b5e6-96231b3b80d8