The wchar_t and char1632_t test cases were erroneously running as x86_64 only even if you tried to run them in i386 mode

Courtesy of Daniel Malea for discovering this.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@172764 91177308-0d34-0410-b5e6-96231b3b80d8