Added POV to joysticks.

Change-Id: Iad0ea8ed1526a6173502f3f0a9bc8918f0569adc
diff --git a/frc971/wpilib/joystick_sender.cc b/frc971/wpilib/joystick_sender.cc
index de7fe88..236cc0f 100644
--- a/frc971/wpilib/joystick_sender.cc
+++ b/frc971/wpilib/joystick_sender.cc
@@ -36,6 +36,7 @@
       for (int j = 0; j < 4; ++j) {
         new_state->joysticks[i].axis[j] = ds->GetStickAxis(i, j);
       }
+      new_state->joysticks[i].pov = ds->GetStickPOV(i, 0);
     }
     LOG_STRUCT(DEBUG, "joystick_state", *new_state);