Fixed an bug found by running LLDB with the address sanitizer! We were accessing one past the end of the buffer.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@174578 91177308-0d34-0410-b5e6-96231b3b80d8
Address sanitizer found an issue which we filed a bug for: <rdar://problem/13168967>



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@174579 91177308-0d34-0410-b5e6-96231b3b80d8