Use Timeout<> in EvaluateExpressionOptions class

llvm-svn: 288797
diff --git a/lldb/source/Interpreter/CommandInterpreter.cpp b/lldb/source/Interpreter/CommandInterpreter.cpp
index 3665151..bb23d98 100644
--- a/lldb/source/Interpreter/CommandInterpreter.cpp
+++ b/lldb/source/Interpreter/CommandInterpreter.cpp
@@ -1418,7 +1418,7 @@
           options.SetIgnoreBreakpoints(true);
           options.SetKeepInMemory(false);
           options.SetTryAllThreads(true);
-          options.SetTimeoutUsec(0);
+          options.SetTimeout(llvm::None);
 
           ExpressionResults expr_result = target->EvaluateExpression(
               expr_str.c_str(), exe_ctx.GetFramePtr(), expr_result_valobj_sp,