Modify test scripts to accomodate SBTarget.Launch() API change.

llvm-svn: 124828
diff --git a/lldb/test/threads/TestPrintStackTraces.py b/lldb/test/threads/TestPrintStackTraces.py
index ec551ff..a2895ff 100644
--- a/lldb/test/threads/TestPrintStackTraces.py
+++ b/lldb/test/threads/TestPrintStackTraces.py
@@ -35,7 +35,7 @@
 
         # Now launch the process, and do not stop at entry point.
         rc = lldb.SBError()
-        self.process = target.Launch (None, None, os.ctermid(), os.ctermid(), os.ctermid(), None, 0, False, rc)
+        self.process = target.Launch (self.dbg.GetListener(), None, None, os.ctermid(), os.ctermid(), os.ctermid(), None, 0, False, rc)
 
         if not rc.Success() or not self.process.IsValid():
             self.fail("SBTarget.LaunchProcess() failed")