#1198 fluxbox-1.3.7 should turn off timeout alarm before starting another WM

[Rajeev V. Pillai]

When starting another window-manager, the timeout alarm should be turned off. Otherwise,
the exec()ed WM will get terminated if it doesn't handle SIGALRM (eg. twm and fvwm).

See this thread:

https://mail-index.netbsd.org/current-users/2022/10/18/msg043102.html

Patch here:

https://mail-index.netbsd.org/current-users/2022/10/20/msg043107.html

[Mathias Gumz]

https://github.com/fluxbox/fluxbox/tree/fix/dont-deliver-sigalarm

will be merged as soon as some logistics are cleared. thanks for putting the attention on that patch.