emulators/vice: patch fail to apply cleanly

[Barbara]

# cd /usr/ports/emulators/vice/ && make patch


===>  Patching for vice-gnome-2.3
===>   vice-gnome-2.3 depends on file: /usr/local/bin/iconv - found
===>  Applying FreeBSD patches for vice-gnome-2.3
Ignoring previously applied (or reversed) patch.
1 out of 1 hunks ignored--saving rejects to ./man/c1541.1.rej
Can't create ./man/c1541.1.rej, output is in /tmp//patchrnRy6fw: Permission 
denied
=> Patch patch-ab failed to apply cleanly.
*** Error code 1

Stop in /usr/ports/emulators/vice.