s/C++0x/C++11/

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@179878 91177308-0d34-0410-b5e6-96231b3b80d8
Emit the underlying type in the debug info for all kinds of fixed enums
instead of only C++11-scoped-with-class-tag enums.

rdar://problem/13463793

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@179879 91177308-0d34-0410-b5e6-96231b3b80d8