Fix ip_mreq spec to match implementation
Fix ip_mreq spec to match implementation

This changes the `address` key to `interface` which matches what is
wanted for the `add_membership` option.

getong/otp,erlang/otp,rlipscombe/otp,potatosalad/otp,emacsmirror/erlang,potatosalad/otp,dgud/otp,jj1bdx/otp,ferd/otp,vinoski/otp,emacsmirror/erlang,dgud/otp,jj1bdx/otp,g-andrade/otp,erlang/otp,emacsmirror/erlang,getong/otp,isvilen/otp,g-andrade/otp,rlipscombe/otp,dumbbell/otp,dgud/otp,getong/otp,erlang/otp,bjorng/otp,getong/otp,jj1bdx/otp,dumbbell/otp,mikpe/otp,getong/otp,erlang/otp,isvilen/otp,vinoski/otp,vinoski/otp,ferd/otp,dumbbell/otp,bjorng/otp,potatosalad/otp,erlang/otp,bjorng/otp,erlang/otp,potatosalad/otp,dumbbell/otp,bjorng/otp,dumbbell/otp,ferd/otp,erlang/otp,vinoski/otp,dgud/otp,emacsmirror/erlang,dumbbell/otp,g-andrade/otp,jj1bdx/otp,dumbbell/otp,isvilen/otp,g-andrade/otp,getong/otp,isvilen/otp,dgud/otp,potatosalad/otp,mikpe/otp,emacsmirror/erlang,potatosalad/otp,emacsmirror/erlang,dumbbell/otp,mikpe/otp,vinoski/otp,isvilen/otp,jj1bdx/otp,bjorng/otp,ferd/otp,bjorng/otp,isvilen/otp,isvilen/otp,isvilen/otp,g-andrade/otp,emacsmirror/erlang,rlipscombe/otp,dgud/otp,ferd/otp,ferd/otp,ferd/otp,jj1bdx/otp,dgud/otp,rlipscombe/otp,vinoski/otp,bjorng/otp,bjorng/otp,isvilen/otp,vinoski/otp,erlang/otp,bjorng/otp,potatosalad/otp,emacsmirror/erlang,g-andrade/otp,mikpe/otp,rlipscombe/otp,ferd/otp,ferd/otp,rlipscombe/otp,emacsmirror/erlang,erlang/otp,getong/otp,emacsmirror/erlang,dgud/otp,jj1bdx/otp,getong/otp,mikpe/otp,jj1bdx/otp,vinoski/otp,g-andrade/otp,getong/otp,jj1bdx/otp,jj1bdx/otp,mikpe/otp,isvilen/otp,rlipscombe/otp,rlipscombe/otp,potatosalad/otp,dumbbell/otp,rlipscombe/otp,g-andrade/otp,getong/otp,mikpe/otp,dgud/otp,rlipscombe/otp,potatosalad/otp,mikpe/otp,potatosalad/otp,mikpe/otp,g-andrade/otp,vinoski/otp,g-andrade/otp,vinoski/otp,dgud/otp,mikpe/otp,dumbbell/otp,erlang/otp,bjorng/otp