No flying fixes

[philderbeast]

I'm seeing ft-align-time report no flying fixes for pilots when using an earth math option other than --haversines:

+ ft-align-time '--file=Spring Meeting 2020 Class 1'
Reading competition from ".flare-timing/comp-input.yaml"
Reading comp inputs from ".flare-timing/comp-input.yaml"
Reading task inputs from:
	".flare-timing/task-1/task-input.yaml"
	".flare-timing/task-2/task-input.yaml"
	".flare-timing/task-3/task-input.yaml"
	".flare-timing/task-4/task-input.yaml"
Reading zone taggings from:
	".flare-timing/task-1/tag-zone.yaml"
	".flare-timing/task-2/tag-zone.yaml"
	".flare-timing/task-3/tag-zone.yaml"
	".flare-timing/task-4/tag-zone.yaml"
Reading pegged frames from:
	".flare-timing/task-1/peg-frame.yaml"
	".flare-timing/task-2/peg-frame.yaml"
	".flare-timing/task-3/peg-frame.yaml"
	".flare-timing/task-4/peg-frame.yaml"
*NO* 'flying' fixes for ("126","Andrea Theodoli")
*NO* 'flying' fixes for ("105","Christian Ciech")
...

[philderbeast]

Testing all of the earth math options:

# no problem
--pythagorus
--vincenty

# has *NO* 'flying' fixes problem
--andoyer
--fsandoyer
--andoyerlambert
--forsytheandoyerlambert