ia64: Fix typo in irq_xen.c

Correct spelling "vecotr" to "vector" in
arch/ia64/xen/irq_xen.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
1 file changed