Dedulicate make_unique

This also gets us off of the WPILib one which goes away for 2019.

Change-Id: I0436ce8fd477bbb27d9b0a7c4832dad01c9bad35
diff --git a/frc971/wpilib/ahal/DriverStation.cc b/frc971/wpilib/ahal/DriverStation.cc
index f4c2e5d..c34db1b 100644
--- a/frc971/wpilib/ahal/DriverStation.cc
+++ b/frc971/wpilib/ahal/DriverStation.cc
@@ -12,6 +12,7 @@
 #include "FRC_NetworkCommunication/FRCComm.h"
 #include "HAL/HAL.h"
 #include "HAL/Power.h"
+#include "aos/make_unique.h"
 #include "frc971/wpilib/ahal/AnalogInput.h"
 #include "frc971/wpilib/ahal/Utility.h"
 #include "frc971/wpilib/ahal/WPIErrors.h"