stdlib: Minor optimization of base64
stdlib: Minor optimization of base64

Using /bits instead of /binary is faster when constructing binaries.

saleyn/otp,vladdu/otp,RoadRunnr/otp,g-andrade/otp,vinoski/otp,tuncer/otp,RoadRunnr/otp,RaimoNiskanen/otp,tuncer/otp,RaimoNiskanen/otp,jj1bdx/otp,vladdu/otp,dumbbell/otp,ferd/otp,aboroska/otp,fenollp/otp,getong/otp,isvilen/otp,rlipscombe/otp,fenollp/otp,lrascao/otp,bjorng/otp,fenollp/otp,uabboli/otp,rlipscombe/otp,legoscia/otp,erlang/otp,lrascao/otp,ferd/otp,bjorng/otp,RoadRunnr/otp,RaimoNiskanen/otp,emacsmirror/erlang,kvakvs/otp,potatosalad/otp,fenollp/otp,RaimoNiskanen/otp,bsmr-erlang/otp,vinoski/otp,mikpe/otp,bsmr-erlang/otp,legoscia/otp,isvilen/otp,getong/otp,dumbbell/otp,potatosalad/otp,mikpe/otp,tuncer/otp,vladdu/otp,aboroska/otp,RoadRunnr/otp,vinoski/otp,legoscia/otp,lrascao/otp,kvakvs/otp,potatosalad/otp,saleyn/otp,getong/otp,saleyn/otp,bsmr-erlang/otp,vladdu/otp,cobusc/otp,g-andrade/otp,vinoski/otp,g-andrade/otp,aboroska/otp,potatosalad/otp,erlang/otp,electricimp/otp,uabboli/otp,vinoski/otp,dumbbell/otp,vinoski/otp,cobusc/otp,cobusc/otp,dgud/otp,electricimp/otp,aboroska/otp,fenollp/otp,kvakvs/otp,lrascao/otp,emacsmirror/erlang,dgud/otp,RaimoNiskanen/otp,dgud/otp,fenollp/otp,bjorng/otp,lrascao/otp,aboroska/otp,getong/otp,erlang/otp,bjorng/otp,dumbbell/otp,potatosalad/otp,legoscia/otp,potatosalad/otp,mikpe/otp,vladdu/otp,lrascao/otp,rlipscombe/otp,bsmr-erlang/otp,dgud/otp,bsmr-erlang/otp,vinoski/otp,isvilen/otp,emacsmirror/erlang,ferd/otp,legoscia/otp,bsmr-erlang/otp,saleyn/otp,potatosalad/otp,bjorng/otp,rlipscombe/otp,uabboli/otp,uabboli/otp,lrascao/otp,saleyn/otp,legoscia/otp,electricimp/otp,RaimoNiskanen/otp,vladdu/otp,uabboli/otp,bsmr-erlang/otp,rlipscombe/otp,dumbbell/otp,cobusc/otp,bsmr-erlang/otp,jj1bdx/otp,vinoski/otp,emacsmirror/erlang,legoscia/otp,bjorng/otp,emacsmirror/erlang,emacsmirror/erlang,ferd/otp,aboroska/otp,aboroska/otp,dumbbell/otp,mikpe/otp,getong/otp,mikpe/otp,emacsmirror/erlang,electricimp/otp,jj1bdx/otp,g-andrade/otp,saleyn/otp,RaimoNiskanen/otp,dgud/otp,electricimp/otp,isvilen/otp,erlang/otp,RaimoNiskanen/otp,isvilen/otp,vinoski/otp,aboroska/otp,bjorng/otp,saleyn/otp,g-andrade/otp,ferd/otp,saleyn/otp,erlang/otp,saleyn/otp,rlipscombe/otp,dumbbell/otp,RoadRunnr/otp,jj1bdx/otp,potatosalad/otp,tuncer/otp,dgud/otp,isvilen/otp,bjorng/otp,uabboli/otp,erlang/otp,cobusc/otp,dumbbell/otp,fenollp/otp,RaimoNiskanen/otp,tuncer/otp,ferd/otp,isvilen/otp,kvakvs/otp,RoadRunnr/otp,jj1bdx/otp,erlang/otp,rlipscombe/otp,tuncer/otp,potatosalad/otp,vladdu/otp,dumbbell/otp,erlang/otp,g-andrade/otp,jj1bdx/otp,getong/otp,dumbbell/otp,lrascao/otp,isvilen/otp,electricimp/otp,kvakvs/otp,uabboli/otp,rlipscombe/otp,kvakvs/otp,legoscia/otp,emacsmirror/erlang,mikpe/otp,RoadRunnr/otp,dgud/otp,ferd/otp,getong/otp,mikpe/otp,emacsmirror/erlang,jj1bdx/otp,g-andrade/otp,electricimp/otp,jj1bdx/otp,cobusc/otp,emacsmirror/erlang,tuncer/otp,tuncer/otp,uabboli/otp,kvakvs/otp,lrascao/otp,RoadRunnr/otp,getong/otp,erlang/otp,aboroska/otp,fenollp/otp,jj1bdx/otp,bsmr-erlang/otp,getong/otp,ferd/otp,uabboli/otp,getong/otp,kvakvs/otp,dgud/otp,bjorng/otp,vinoski/otp,potatosalad/otp,bjorng/otp,dgud/otp,mikpe/otp,tuncer/otp,mikpe/otp,RoadRunnr/otp,ferd/otp,g-andrade/otp,cobusc/otp,isvilen/otp,erlang/otp,dgud/otp,g-andrade/otp,rlipscombe/otp,jj1bdx/otp,g-andrade/otp,fenollp/otp,rlipscombe/otp,vladdu/otp,kvakvs/otp,legoscia/otp,cobusc/otp,mikpe/otp,electricimp/otp,electricimp/otp,isvilen/otp,vladdu/otp