Hopefully fix build on older GCC
Hopefully fix build on older GCC

http://hydra.nixos.org/build/46805140

vcunat/nix,vcunat/nix,peti/nix,dezgeg/nix,dezgeg/nix,vcunat/nix,rycee/nix,NixOS/nix,peti/nix,ehmry/nix,peti/nix,zimbatm/nix,rycee/nix,shlevy/nix,zimbatm/nix,bennofs/nix,NixOS/nix,bennofs/nix,peti/nix,ehmry/nix,ehmry/nix,pikajude/nix,rycee/nix,bennofs/nix,NixOS/nix,dezgeg/nix,shlevy/nix,ehmry/nix,layus/nix,ehmry/nix,dtzWill/nix,layus/nix,rycee/nix,dtzWill/nix,layus/nix,shlevy/nix,dezgeg/nix,vcunat/nix,peti/nix,dtzWill/nix,layus/nix,NixOS/nix,ehmry/nix,shlevy/nix,layus/nix,zimbatm/nix,dtzWill/nix,dezgeg/nix,shlevy/nix,rycee/nix,pikajude/nix,pikajude/nix,dtzWill/nix,NixOS/nix,bennofs/nix,zimbatm/nix