Change SBThread::GetExtendedBacktrace to
SBThread::GetExtendedBacktraceThread to make it more clear what is
being returned.

llvm-svn: 194531
diff --git a/lldb/source/Target/SystemRuntime.cpp b/lldb/source/Target/SystemRuntime.cpp
index c885aa7..5c07ed3 100644
--- a/lldb/source/Target/SystemRuntime.cpp
+++ b/lldb/source/Target/SystemRuntime.cpp
@@ -67,7 +67,7 @@
 }
 
 ThreadSP
-SystemRuntime::GetExtendedBacktrace (ThreadSP thread, ConstString type)
+SystemRuntime::GetExtendedBacktraceThread (ThreadSP thread, ConstString type)
 {
     return ThreadSP();
 }