Update hppc to 0.8.2
Update hppc to 0.8.2

Exposes used memory which we will be able to use for ram-accounting:

https://github.com/carrotsearch/hppc/commit/8b6b15e282da2be1c275538be009a3defaef95c5

EvilMcJerkface/crate,crate/crate,EvilMcJerkface/crate,crate/crate,crate/crate,EvilMcJerkface/crate