LU-12513 utils: change cy_valueint to 64 bits

LU-12513 utils: change cy_valueint to 64 bits

While testing the lustre YAML implementation with netlink I found
that it didn't support 64 bit integer values. Change cy_valueint
to a long long.

Test-Parameter: trivial

Change-Id: I1746a4907a83e7c5733a0681a66e7f4a54a4c392
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-on: https://review.whamcloud.com/35423
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Arshad Hussain <arshad.super@gmail.com>