Closing E-mail preferences crashes mail_daemon

[humdinger]

This is hrev43375.

• Open E-mail prefs
• Click on some entry in the list (Inbox, Outbox...)
• Close the panel

-> boom

Backtrace:

[tcsetpgrp failed in terminal_inferior: Invalid Argument]
Thread 18933 called debugger(): sb
[...]
[tcsetpgrp failed in terminal_inferior: Invalid Argument]
[Switching to team /boot/system/servers/mail_daemon (18933) thread mail_daemon (18933)]
0xffff0114 in ?? ()
(gdb) bt
#0  0xffff0114 in ?? ()
#1  0x007f0d86 in debugger () from /boot/system/lib/libroot.so
#2  0x007fcd59 in __assert_fail () from /boot/system/lib/libroot.so
#3  0x008742f3 in BPrivate::processHeap::free ()
   from /boot/system/lib/libroot.so
#4  0x00875a00 in free () from /boot/system/lib/libroot.so
#5  0x0042c4bf in BList::~BList () from /boot/system/lib/libbe.so
#6  0x00434203 in BStringList::~BStringList () from /boot/system/lib/libbe.so
#7  0x021dd4e1 in POP3Protocol::~POP3Protocol ()
   from /boot/system/add-ons/mail_daemon/inbound_protocols/POP3
#8  0x00216aae in MailDaemonApp::_RemoveAccount ()
#9  0x0021692f in MailDaemonApp::_ReloadAccounts ()
#10 0x00213d85 in MailDaemonApp::MessageReceived ()
#11 0x002f4da7 in BLooper::DispatchMessage () from /boot/system/lib/libbe.so
#12 0x002ebce9 in BApplication::DispatchMessage ()
   from /boot/system/lib/libbe.so
#13 0x002f66d1 in BLooper::task_looper () from /boot/system/lib/libbe.so
#14 0x002ea856 in BApplication::Run () from /boot/system/lib/libbe.so
#15 0x00219157 in main ()
(gdb) 

[humdinger]

No more crashes of mail_daemon with hrev43630. Again, could've been some bothced setup back then. Closeing as "fixed".