Update for ImageMagick, ImageMagick.256, Mozilla... recommended low

xfdesktop: fix for responding right-clicks

This update fixes the following issue for xfdesktop:
- 669768: added a check for GDK_GRAB_INVALID_TIME in xfdesktop_popup_grab_available to mitigate slow menu popups on a right mouse click

Fixed bugs
The Xfce desktop manager does not respond to right-clicks in a timely manner
Selected Binaries