From: Keith Packard <keithp@keithp.com>
Date: Thu, 16 Jun 2016 05:37:39 +0000 (-0700)
Subject: altosuilib: Track open frames, exit when none remain
X-Git-Tag: 1.6.4~1^2~15
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=2a4d741872449b5332f28e018fa3acc53ed7d891;hp=2a4d741872449b5332f28e018fa3acc53ed7d891

altosuilib: Track open frames, exit when none remain

This will let us not have the altosui window open by causing the
application to shut down when the last frame closes.

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