AC_PrecLand: fix backend compile error

This commit is contained in:
Randy Mackay 2015-11-12 14:42:44 +09:00
parent fc05ad81eb
commit 175f5654c1

View File

@ -27,7 +27,7 @@ public:
// returns true if new data available
virtual bool update() = 0;
// what frame of reference is our sensor reporting in?
virtual MAV_FRAME get_frame_of_reference();
virtual MAV_FRAME get_frame_of_reference() = 0;
// get_angle_to_target - returns angles (in radians) to target
// returns true if angles are available, false if not (i.e. no target)