[PATCH] PCI: clean up msi.c a bit

Clean up: move assignments outside of if() statements.
AFAICT, no functional change. Easier to read/understand.

Depends on "[PATCH 1/3] msi vector targeting abstractions"
by Mark Maule <maule@sgi.com>.
I expect one hunk to fail if applied against 2.6.15.

This is essentially Joe Perches' patch.
I've cleaned up the one instance added by Mark's patch.

Signed-off-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>