Reduced the number of globals
Reduced the number of globals

This patch localizes two constants, adds two imports, removes a stale
import, and renames a variable to avoid shadowing an upvalue.

eugeneia/snabb,Igalia/snabb,eugeneia/snabb,heryii/snabb,Igalia/snabbswitch,Igalia/snabbswitch,eugeneia/snabbswitch,snabbco/snabb,Igalia/snabb,Igalia/snabb,Igalia/snabbswitch,heryii/snabb,dpino/snabbswitch,SnabbCo/snabbswitch,dpino/snabb,heryii/snabb,SnabbCo/snabbswitch,eugeneia/snabb,eugeneia/snabbswitch,heryii/snabb,dpino/snabbswitch,dpino/snabb,eugeneia/snabb,heryii/snabb,alexandergall/snabbswitch,eugeneia/snabb,snabbco/snabb,eugeneia/snabbswitch,alexandergall/snabbswitch,Igalia/snabb,snabbco/snabb,snabbco/snabb,eugeneia/snabb,Igalia/snabb,alexandergall/snabbswitch,eugeneia/snabbswitch,heryii/snabb,dpino/snabb,Igalia/snabb,Igalia/snabb,dpino/snabbswitch,alexandergall/snabbswitch,eugeneia/snabb,snabbco/snabb,snabbco/snabb,Igalia/snabbswitch,snabbco/snabb,alexandergall/snabbswitch,dpino/snabb,dpino/snabb,alexandergall/snabbswitch,SnabbCo/snabbswitch,dpino/snabbswitch,dpino/snabb,snabbco/snabb,alexandergall/snabbswitch,dpino/snabb,SnabbCo/snabbswitch,alexandergall/snabbswitch,eugeneia/snabb,Igalia/snabbswitch,Igalia/snabb