gftp-gtk crashes on host connect with SSH

[Klaus Vormweg]

GFTP crashes when connecting to any host using protocol SSH2.

Error messages on console:

(gftp-gtk:19977): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion 'GTK_IS_WIDGET (widget)' failed

(gftp-gtk:19977): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion 'GTK_IS_WIDGET (widget)' failed

(gftp-gtk:19977): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion 'GTK_IS_WIDGET (widget)' failed

(gftp-gtk:19977): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion 'GTK_IS_WIDGET (widget)' failed

(gftp-gtk:19977): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion 'GTK_IS_WIDGET (widget)' failed

(gftp-gtk:19977): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion 'GTK_IS_WIDGET (widget)' failed

(gftp-gtk:19977): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion 'GTK_IS_WIDGET (widget)' failed

(gftp-gtk:19977): Gdk-CRITICAL **: IA__gdk_window_get_window_type: assertion 'GDK_IS_WINDOW (window)' failed
Attempt to unlock mutex that was not locked
zsh: abort (core dumped) gftp

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: gftp-gtk 2.0.19-4ubuntu2
ProcVersionSignature: Ubuntu 3.16.0-18.25-generic 3.16.3
Uname: Linux 3.16.0-18-generic x86_64
ApportVersion: 2.14.7-0ubuntu2
Architecture: amd64
Date: Tue Sep 30 11:48:34 2014
InstallationDate: Installed on 2011-04-05 (1273 days ago)
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/zsh
SourcePackage: gftp
UpgradeStatus: No upgrade log present (probably fresh install)

[Klaus Vormweg (klaus-vormweg-deactivatedaccount)]

See also: Debian Bug report #763371

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=763371