Remove unused frame_zero_id local variable

[wttsugrii]

Summary

frame_zero_id local variable is not used and can be safely removed.

[jingham]

Thanks for finding that.

[Eugene.Zelenko]

Committed in r280283.

source/Target/ThreadPlanStepOut.cpp

) :
     StackFrameSP return_frame_sp (m_thread.GetStackFrameAtIndex(frame_idx + 1));
     StackFrameSP immediate_return_from_sp (m_thread.GetStackFrameAtIndex (frame_idx));
     
     if (!return_frame_sp || !immediate_return_from_sp)
         return; // we can't do anything here.  ValidatePlan() will return false.
     
     m_step_out_to_id = return_frame_sp->GetStackID();
     m_immediate_step_from_id = immediate_return_from_sp->GetStackID();
-    
-    StackID frame_zero_id = m_thread.GetStackFrameAtIndex(0)->GetStackID();
-
     // If the frame directly below the one we are returning to is inlined, we have to be
     // a little more careful.  It is non-trivial to determine the real "return code address" for
     // an inlined frame, so we have to work our way to that frame and then step out.
     if (immediate_return_from_sp && immediate_return_from_sp->IsInlined())
     {
         if (frame_idx > 0)
         {
             // First queue a plan that gets us to this inlined frame, and when we get there we'll queue a second