Fix rc checking macros
Fix rc checking macros

The ARAKOON_RC_IS_ARAKOONRETURNCODE and ARAKOON_RC_AS_ARAKOONRETURNCODE
macros lacked a parameter, so they were completely buggy.

This commit should fix this.

Thanks to Bastiaan Stougie for reporting this.

Change-Id: I85807701e2253cfcb9c8545fadb079d9bdb91e57
Reported-by: Bastiaan Stougie <ea89062e28c3fa1e144cf0e99c86da48b566734a@amplidata.com>

Incubaid/crakoon,Incubaid/crakoon,Incubaid/crakoon,Incubaid/crakoon