commandutils: add missing headers

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: Ie981c66cf8e46b3ce820b2d1e64a07a77f2d2b58
diff --git a/include/commandutils.hpp b/include/commandutils.hpp
index 3d42aeb..5a177a5 100644
--- a/include/commandutils.hpp
+++ b/include/commandutils.hpp
@@ -15,9 +15,13 @@
 */
 
 #pragma once
+
 #include <iostream>
 #include <ipmid/api.hpp>
 #include <sdbusplus/bus.hpp>
+#include <string>
+#include <utility>
+#include <vector>
 
 static constexpr bool debug = false;