altoslib: Don't write KML record when height data is missing
authorKeith Packard <keithp@keithp.com>
Sun, 12 Nov 2017 04:44:27 +0000 (20:44 -0800)
committerKeith Packard <keithp@keithp.com>
Sun, 12 Nov 2017 04:45:56 +0000 (20:45 -0800)
This avoids a crash dealing with corrupted flight data

Signed-off-by: Keith Packard <keithp@keithp.com>

No differences found