pkg/56461: audio/zynaddsubfx hangs at exit and can't save settings

[bsduck%mailo.com@localhost]

>Number:         56461
>Category:       pkg
>Synopsis:       audio/zynaddsubfx hangs at exit and can't save settings
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Oct 21 22:30:00 +0000 2021
>Originator:     bsduck
>Release:        current 2021-10-21
>Organization:
>Environment:
NetBSD 9.2 (GENERIC) #0: Wed May 12 13:15:55 UTC 2021  mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64
>Description:
ZynAddSubFX hangs at exit. It's not possible to quit the program properly, and therefore not possible to save settings.
>How-To-Repeat:
Run ZynAddSubFX, then try to close its main window. A popup window will appear, asking "Exit and leave the unsaved data? Yes/No". No matter which answer is chosen, the program will hang.
>Fix: