bump version for prefs

Author: jcupitt

share/nip2/start/Preferences.ws

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<root xmlns="http://www.vips.ecs.soton.ac.uk/nip/7.41.0">
+<root xmlns="http://www.vips.ecs.soton.ac.uk/nip/8.5.0">
   <Workspace window_x="0" window_y="0" window_width="680" window_height="800" filename="$VIPSHOME/share/$PACKAGE/start/Preferences.ws" view="WORKSPACE_MODE_REGULAR" scale="1" offset="0" lpane_position="100" lpane_open="false" rpane_position="400" rpane_open="false" local_defs="// private definitions for this workspace&#10;" name="Preferences">
     <Column x="0" y="3067" open="false" selected="false" sform="false" next="99" name="B" caption="Interface column -- don't touch this!">
       <Subcolumn vislevel="2">