Use Timeout<> in EvaluateExpressionOptions class

llvm-svn: 288797
diff --git a/lldb/source/Target/Target.cpp b/lldb/source/Target/Target.cpp
index 8f50124..160f831 100644
--- a/lldb/source/Target/Target.cpp
+++ b/lldb/source/Target/Target.cpp
@@ -62,6 +62,8 @@
 using namespace lldb;
 using namespace lldb_private;
 
+constexpr std::chrono::milliseconds EvaluateExpressionOptions::default_timeout;
+
 ConstString &Target::GetStaticBroadcasterClass() {
   static ConstString class_name("lldb.target");
   return class_name;