We should call imu.update() before asking for accel/gyro values so that we get timely, fresh numbers.

Most other consumers of the accel/gyro values should be asking us for them anyway.  At that point, what they are getting are the values we sampled here.

git-svn-id: https://arducopter.googlecode.com/svn/trunk@1376 f9c3cf11-9bcb-44bc-f272-b75c42450872

libraries/AP_DCM/AP_DCM.cpp

@@ -41,6 +41,7 @@ AP_DCM::set_compass(Compass *compass)
 void
 AP_DCM::update_DCM(float _G_Dt)
 {
+	_imu->update();
 	_gyro_vector 	= _imu->get_gyro();			// Get current values for IMU sensors
 	_accel_vector 	= _imu->get_accel();			// Get current values for IMU sensors