Handle /tmp being a symlink
Handle /tmp being a symlink

Hopefully fixes Darwin sandbox regression introduced in
8063fc497ab78fa72962b93874fe25dcca2b55ed.

vcunat/nix,bennofs/nix,shlevy/nix,shlevy/nix,dtzWill/nix,zimbatm/nix,zimbatm/nix,garbas/nix,NixOS/nix,ehmry/nix,dtzWill/nix,NixOS/nix,ehmry/nix,zimbatm/nix,rycee/nix,ehmry/nix,bennofs/nix,ehmry/nix,layus/nix,garbas/nix,rycee/nix,shlevy/nix,rycee/nix,wmertens/nix,peti/nix,layus/nix,pikajude/nix,shlevy/nix,peti/nix,pikajude/nix,peti/nix,garbas/nix,NixOS/nix,dezgeg/nix,ysangkok/nix,layus/nix,bennofs/nix,vcunat/nix,dezgeg/nix,ttuegel/nix,dezgeg/nix,dezgeg/nix,layus/nix,ehmry/nix,shlevy/nix,rycee/nix,peti/nix,NixOS/nix,vcunat/nix,pikajude/nix,ysangkok/nix,ysangkok/nix,wmertens/nix,peti/nix,bennofs/nix,dtzWill/nix,garbas/nix,wmertens/nix,dezgeg/nix,wmertens/nix,dtzWill/nix,ehmry/nix,NixOS/nix,ttuegel/nix,vcunat/nix,garbas/nix,zimbatm/nix,rycee/nix,dtzWill/nix,layus/nix,ttuegel/nix,ttuegel/nix