add -f into postinst OPT to fix run postinst scriptlet fail
problem during do rootfs, while INITSCRIPT_PARAMS set to remove.
+ type update-rc.d
+ '[' -n qemux86_64-poky-linux/core-image-sato/1.0-r0/rootfs ']'
+ OPT='-r qemux86_64-poky-linux/core-image-sato/1.0-r0/rootfs'
+ update-rc.d -r work/qemux86_64-poky-linux/core-image-sato/1.0-r0/rootfs keepalived remove
update-rc.d: work/qemux86_64-poky-linux/core-image-sato/1.0-r0/rootfs/etc/init.d/keepalived exists during rc.d purge (use -f to force)
D: %post(keepalived-1.4.2-r0.core2_64): waitpid(305974) rc 305974 status 100
Signed-off-by: Changqing Li <changqing.li@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
