LLDB: Stop creating zombies when executing dumper auto tests

Change-Id: I8a9d2e9e0027f60a9801ba9a20aab1c5e2991bdb
Reviewed-by: hjk <hjk121@nokiamail.com>

share/qtcreator/debugger/lldbbridge.py

@@ -1716,6 +1716,7 @@ def testit():
     db.report("@NS@%s@" % ns)
     #db.report("ENV=%s" % os.environ.items())
     #db.report("DUMPER=%s" % db.qqDumpers)
+    lldb.SBDebugger.Destroy(db.debugger)
 
 if __name__ == "__main__":
     if len(sys.argv) > 2: