(process:8612): GLib-WARNING **: (/build/buildd/glib2.0-2.40.2/./glib/gerror.c:381):g_error_new_valist: runtime check failed: (domain != 0)

After upgrading system to XFCE4.12 quicklauncher-plugin fails to load.
Here is terminal dump:
[code]
(process:8612): xfce4-panel-wrapper-CRITICAL **: Wrapper quicklauncher-3: Failed to open plugin module "/usr/lib/i386-linux-gnu/xfce4/panel-plugins/libquicklauncher.so": /usr/lib/i386-linux-gnu/libxfcegui4.so.4: undefined symbol: xfce_setenv.
xfce4-panel-Message: Plugin quicklauncher-3 has been automatically restarted after crash.

(process:8613): GLib-WARNING **: (/build/buildd/glib2.0-2.40.2/./glib/gerror.c:381):g_error_new_valist: runtime check failed: (domain != 0)

(process:8613): xfce4-panel-wrapper-CRITICAL **: Wrapper quicklauncher-3: Failed to open plugin module "/usr/lib/i386-linux-gnu/xfce4/panel-plugins/libquicklauncher.so": /usr/lib/i386-linux-gnu/libxfcegui4.so.4: undefined symbol: xfce_setenv.

(process:8614): GLib-WARNING **: (/build/buildd/glib2.0-2.40.2/./glib/gerror.c:381):g_error_new_valist: runtime check failed: (domain != 0)

(process:8614): xfce4-panel-wrapper-CRITICAL **: Wrapper quicklauncher-3: Failed to open plugin module "/usr/lib/i386-linux-gnu/xfce4/panel-plugins/libquicklauncher.so": /usr/lib/i386-linux-gnu/libxfcegui4.so.4: undefined symbol: xfce_setenv.

(xfce4-panel:8540): GLib-CRITICAL **: g_child_watch_add_full: assertion 'pid > 0' failed
[/code]

My system:
 System: Linux Mint 17 Qiana xfce4.12
 Kernel: i686 Linux 3.13.0-24-generic
 CPU: Intel Atom CPU N450 @ 1.667GHz
 Video driver: Kernel driver i915
 Graphic processor: VGA compatible Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller
 X.Org X Server 1.15.1