<rdar://problem/14243761>

The argument to -w (--category) in type * list is a regular expression
This caused unhappiness with the gnu-libstdc++ category because of the double ++

Now we check for exact textual match as-well-as regexp matching



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@184898 91177308-0d34-0410-b5e6-96231b3b80d8