Fix LLDB debug builds

Summary:
A recent change in ThreadPlans introduced this little compilation error.
Seems to be related to the work around https://reviews.llvm.org/D76814.

Reviewers: clayborg, labath, jingham

Reviewed By: jingham

Subscribers: lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D77450

lldb/source/Target/ThreadPlan.cpp

@@ -240,7 +240,7 @@ bool ThreadPlanNull::DoPlanExplainsStop(Event *event_ptr) {
   fprintf(stderr,
           "error: %s called on thread that has been destroyed (tid = 0x%" PRIx64
           ", ptid = 0x%" PRIx64 ")",
-          LLVM_PRETTY_FUNCTION, m_thread.GetID(), m_thread.GetProtocolID());
+          LLVM_PRETTY_FUNCTION, GetThread().GetID(), GetThread().GetProtocolID());
 #else
   Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
   if (log)