netfilter: hashlimit: move rateinfo initialization to helper
netfilter: hashlimit: move rateinfo initialization to helper

followup patch would bloat main match function too much.

Signed-off-by: Florian Westphal <cef439e78636cdab99cd2923826c5065a0743e5b@strlen.de>
Signed-off-by: Pablo Neira Ayuso <707d14912bb250caf67dfe0ea4035681fbfc4f56@netfilter.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs