[ARM] Fix ioremap.c vfree type warning

arch/arm/mm/ioremap.c:145: warning: passing argument 1 of 'vfree' makes pointer from integer without a cast

resulted from commit id 9d4ae7276ae26c5bfba6207cf05340af1931d8d4

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
1 file changed