kexec: Fix compile errors in crashdump-mips.c

When building configured as '--host=mips64-octeon-linux-gnu' using
GCC-4.7.0 there are two compile errors, fix them.

Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
1 file changed