Fix incorrect Status -> Error rename in IOHandler

[bgianfo]

Summary

Change 302872 was a massive rename of the Error class to Status.

The change included an incorrect rename of the "Status" window
in the LLDB GUI from "Status to "Error". This patch undoes this incorrect
rename and restores the status window's correct name.

[bgianfo]

Fixing source path

[labath]

Committed as r303553. Thanks for the patch.

lldb/trunk/source/Core/IOHandler.cpp

     WindowSP threads_window_sp(
         main_window_sp->CreateSubWindow("Threads", threads_bounds, false));
     WindowSP status_window_sp(
-        main_window_sp->CreateSubWindow("Error", status_bounds, false));
+        main_window_sp->CreateSubWindow("Status", status_bounds, false));
     status_window_sp->SetCanBeActive(
         false); // Don't let the status bar become the active window
     main_window_sp->SetDelegate(