altosdroid: Fix a pile of compile warnings
authorKeith Packard <keithp@keithp.com>
Sun, 9 Feb 2020 04:42:11 +0000 (20:42 -0800)
committerKeith Packard <keithp@keithp.com>
Sun, 9 Feb 2020 04:42:11 +0000 (20:42 -0800)
This deletes code which doesn't do anything in API versions past 21 and
changes a few bits of code to use the newer supported way.

No functional changes are intended...

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

No differences found