altera_uart: Don't use plain integer as NULL pointer

Fixes sparse warning.

Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Cc: Alan Cox <alan@linux.intel.com>
Acked-by: Tobias Klauser <tklauser@distanz.ch>
This commit is contained in:
Anton Vorontsov 2010-10-01 17:23:13 +04:00 • committed by Greg Kroah-Hartman
commit 70eebd0b60