PX4/Firmware — pull request #1309 by thomasgubler (2014-08-23 20:38:58+00:00)
Title: vfr_hud mavlink msg: use baro alt

The vfr_hud message demands the AMSL altitude and not the wgs84
altitude. Use the baro altitude for now. This can be changed to an
output of the position estimator later.