Changed the find command to not follow symlinks.

debian/debian/hudson.postinst

@@ -34,10 +34,10 @@ case "$1" in
     	# change group/owner to hudson:adm - exclude jobs directory. See HUDSON-4047
         # even if it fails on some files, don't let that interfere with the upgrade process
         # (that can happen on dangling symlinks, for example.)
-    	find /var/lib/hudson -path "*jobs" -prune -o -exec chown hudson:adm {} + || true
+        find /var/lib/hudson -path "*jobs" -prune -o -type l -prune -o -exec chown hudson:adm {} + || true
     	chown -R hudson:adm /var/run/hudson /var/log/hudson
     	# change mode to 750 - exclude jobs and .ssh directories. See HUDSON-4047
-    	find /var/lib/hudson -path "*jobs" -prune -o -path "*.ssh" -prune -o -exec chmod 750 {} + || true
+        find /var/lib/hudson -path "*jobs" -prune -o -path "*.ssh" -prune -o -type l -prune -o -exec chmod 750 {} + || true
     	chmod -R 750 /var/run/hudson
     	chmod 750 /var/log/hudson
     ;;