sensorcommands: add memory header

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I8e8d7bb276828001811b1a3af473594ae2197923
diff --git a/src/sensorcommands.cpp b/src/sensorcommands.cpp
index d97e2e4..168097f 100644
--- a/src/sensorcommands.cpp
+++ b/src/sensorcommands.cpp
@@ -26,6 +26,7 @@
 #include <ipmid/api.hpp>
 #include <ipmid/utils.hpp>
 #include <map>
+#include <memory>
 #include <optional>
 #include <phosphor-logging/log.hpp>
 #include <sdbusplus/bus.hpp>