Fix constness of parameter and callback pointer in _NanWeakCallbackInfo
Fix constness of parameter and callback pointer in _NanWeakCallbackInfo

thefourtheye/nan,sanemat/nan,durai145/nan,sesh-kebab/nan,guymguym/nan,thefourtheye/nan,durai145/nan,mikolalysenko/nan,nodejs/nan,nodejs/nan,Jonekee/nan,hmalphettes/nan,noahjs/nan,mscdex/nan,mikolalysenko/nan,lovell/nan,addaleax/nan,saper/nan,gagern/nan,thejinx0r/nan,evanlucas/nan,ipmobiletech/nan,mikolalysenko/nan,Jonekee/nan,thefourtheye/nan,guymguym/nan,gagern/nan,gastrodia/nan,hmalphettes/nan,evanlucas/nan,mscdex/nan,nodejs/nan,thejinx0r/nan,lovell/nan,gastrodia/nan,gastrodia/nan,mscdex/nan,noahjs/nan,sesh-kebab/nan,LinusU/nan,LinusU/nan,ipmobiletech/nan,ipmobiletech/nan,addaleax/nan,durai145/nan,lovell/nan,addaleax/nan,Jonekee/nan,fleg/nan,eljefedelrodeodeljefe/nan,eljefedelrodeodeljefe/nan,gagern/nan,noahjs/nan,mscdex/nan,saper/nan,nodejs/nan,saper/nan,evanlucas/nan,addaleax/nan,eljefedelrodeodeljefe/nan,thefourtheye/nan,lovell/nan,guymguym/nan,fleg/nan,LinusU/nan,noahjs/nan,gastrodia/nan,LinusU/nan,evanlucas/nan,sanemat/nan,sanemat/nan,hmalphettes/nan,Jonekee/nan,durai145/nan,sesh-kebab/nan,sesh-kebab/nan,fleg/nan,sanemat/nan,fleg/nan,thejinx0r/nan,thejinx0r/nan,saper/nan,eljefedelrodeodeljefe/nan,guymguym/nan,ipmobiletech/nan,hmalphettes/nan,mikolalysenko/nan