Add missing optional include. (#46)

jplevyak · web-flow · commit 5d8775b77332 · 2020-08-03T14:21:28.000-07:00
Signed-off-by: John Plevyak &lt;jplevyak@gmail.com&gt;
diff --git a/include/proxy-wasm/context_interface.h b/include/proxy-wasm/context_interface.h
@@ -20,6 +20,7 @@
 #include <chrono>
 #include <functional>
 #include <iostream>
+#include <optional>
 #include <map>
 #include <memory>
 #include <vector>
diff --git a/include/proxy-wasm/wasm_vm.h b/include/proxy-wasm/wasm_vm.h
@@ -17,6 +17,7 @@
 
 #include <functional>
 #include <memory>
+#include <optional>
 
 #include "include/proxy-wasm/word.h"
 
diff --git a/src/v8/v8.cc b/src/v8/v8.cc
@@ -18,6 +18,7 @@
 #include <cassert>
 
 #include <memory>
+#include <optional>
 #include <utility>
 #include <vector>
 
diff --git a/src/wavm/wavm.cc b/src/wavm/wavm.cc
@@ -17,6 +17,7 @@
 
 #include <iostream>
 #include <memory>
+#include <optional>
 #include <unordered_map>
 #include <utility>
 #include <vector>
