ptrace(PTRACE_[SG]ET_THREAD_AREA) calls from ia32 code
should be passed onto the x86_64 implementation.
The default case in sys32_ptrace used to call to sys_ptrace(), but is
now EINVAL.  This patch fixes a regression caused by that changed.
Signed-off-by: Mike McCormack <mike@codeweavers.com>
Signed-off-by: Andi Kleen <ak@suse.de>
        case PTRACE_DETACH:
        case PTRACE_SYSCALL:
        case PTRACE_SETOPTIONS:
+       case PTRACE_SET_THREAD_AREA:
+       case PTRACE_GET_THREAD_AREA:
                return sys_ptrace(request, pid, addr, data); 
 
        default: