ETS: Fix faulty size calculation SIZEOF_EXTSEG
ETS: Fix faulty size calculation SIZEOF_EXTSEG

Probably not a bug in reallity, but it's simpler and safer to use offsetof
for dynamic sizeof calculations.

vinoski/otp,bugs-erlang-org/otp,johanclaesson/otp,entropiae/otp,Teino1978-Corp/otp,vinoski/otp,entropiae/otp,vinoski/otp,legoscia/otp,g-andrade/otp,emile/otp,rlipscombe/otp,ferd/otp,isvilen/otp,msantos/otp,rlipscombe/otp,isvilen/otp,ahmedshafeeq/otp,GinjaNinja32/otp,Teino1978-Corp/otp,bernardd/otp,stolen/otp,goertzenator/otp,neeraj9/otp,bjorng/otp,g-andrade/otp,c-rack/otp,lrascao/otp,platinumthinker/otp,derek121/otp,goertzenator/otp,potatosalad/otp,bsmr-erlang/otp,release-project/otp,krishnakumar4a4/otp,release-project/otp,erlang/otp,vic/otp,emacsmirror/erlang,jamesruan/otp,lemenkov/otp,paladim/otp,riverrun/otp,sammoth-wazoku/otp,lightcyphers/otp,vic/otp,saleyn/otp,weisslj/otp,jj1bdx/otp,saleyn/otp,jj1bdx/otp,jamesruan/otp,riverrun/otp,bugs-erlang-org/otp,massemanet/otp,release-project/otp,sitexa/otp,bugs-erlang-org/otp,enikki/otp,lightcyphers/otp,schlagert/otp,legoscia/otp,jemsbhai/otp,vinoski/otp,RoadRunnr/otp,paladim/otp,getong/otp,RJ/otp,g-andrade/otp,enikki/otp,schlagert/otp,RichMorin/otp,tuncer/otp,electricimp/otp,lucafavatella/otp,NOMORECOFFEE/otp,awetzel/otp,bjorng/otp,lrascao/otp,isvilen/otp,beni55/otp,palas/otp,electricimp/otp,ferd/otp,psyeugenic/otp,jinshana/otp,mikpe/otp,uabboli/otp,NOMORECOFFEE/otp,jamesruan/otp,neeraj9/otp,jj1bdx/otp,platinumthinker/otp,kvakvs/otp,theom/otp,electricimp/otp,neeraj9/otp,lantti/otp,ahmedshafeeq/otp,emacsmirror/erlang,vinoski/otp,klarna/otp,GinjaNinja32/otp,lucafavatella/otp,ader1990/otp,enikki/otp,lantti/otp,rlipscombe/otp,GinjaNinja32/otp,sammoth-wazoku/otp,vladdu/otp,potatosalad/otp,Teino1978-Corp/erlang-otp,ader1990/otp,entropiae/otp,vic/otp,lemenkov/otp,falkevik/otp,cobusc/otp,beni55/otp,jinshana/otp,mujiatong/otp,aboroska/otp,erlang/otp,uabboli/otp,matwey/otp,sdebnath/otp,gjaldon/otp,marquisthunder/otp,RoadRunnr/otp,sdebnath/otp,psyeugenic/otp,erlang/otp,ahmedshafeeq/otp,emile/otp,klarna/otp,Teino1978-Corp/erlang-otp,mujiatong/otp,uabboli/otp,lhslll/otp,rlipscombe/otp,GinjaNinja32/otp,msantos/otp,potatosalad/otp,dumbbell/otp,bernardd/otp,jamesruan/otp,matwey/otp,vladdu/otp,cobusc/otp,isvilen/otp,rlipscombe/otp,potatosalad/otp,dgud/otp,bernardd/otp,bjorng/otp,emacsmirror/erlang,GinjaNinja32/otp,Teino1978-Corp/erlang-otp,mikpe/otp,RaimoNiskanen/otp,NOMORECOFFEE/otp,enikki/otp,mikpe/otp,dumbbell/otp,bernardd/otp,cnbin/otp,goertzenator/otp,vinoski/otp,lrascao/otp,paladim/otp,aboroska/otp,bsmr-erlang/otp,ader1990/otp,matwey/otp,lantti/otp,bernardd/otp,legoscia/otp,c-rack/otp,RichMorin/otp,fenollp/otp,ferd/otp,kvakvs/otp,jemsbhai/otp,krishnakumar4a4/otp,dgud/otp,vladdu/otp,aboroska/otp,lantti/otp,matwey/otp,RGafiyatullin/otp,bjorng/otp,benoitc/otp-1,schlagert/otp,emacsmirror/erlang,GinjaNinja32/otp,derek121/otp,awetzel/otp,emacsmirror/erlang,yangchengjian/otp,RaimoNiskanen/otp,erlang/otp,uabboli/otp,c-rack/otp,massemanet/otp,paulcager/otp,jinshana/otp,VincentHHL/otp,tuncer/otp,saleyn/otp,lightcyphers/otp,marquisthunder/otp,fenollp/otp,sammoth-wazoku/otp,dumbbell/otp,ferd/otp,vladdu/otp,lrascao/otp,massemanet/otp,RoadRunnr/otp,uabboli/otp,vladdu/otp,yangchengjian/otp,schlagert/otp,RichMorin/otp,mikpe/otp,legoscia/otp,psyeugenic/otp,RGafiyatullin/otp,awetzel/otp,johanclaesson/otp,lantti/otp,dumbbell/otp,entropiae/otp,gjaldon/otp,isvilen/otp,isvilen/otp,rlipscombe/otp,palas/otp,enikki/otp,Teino1978-Corp/otp,jamesruan/otp,lucafavatella/otp,johanclaesson/otp,Teino1978-Corp/erlang-otp,mikpe/otp,haguenau/otp,lemenkov/otp,electricimp/otp,vinoski/otp,aboroska/otp,jemsbhai/otp,sitexa/otp,jj1bdx/otp,vic/otp,marquisthunder/otp,bsmr-erlang/otp,Teino1978-Corp/otp,gjaldon/otp,falkevik/otp,emile/otp,basho/otp,msantos/otp,haguenau/otp,goertzenator/otp,jj1bdx/otp,jinshana/otp,lianghaivv/otp,dgud/otp,msantos/otp,benoitc/otp-1,RaimoNiskanen/otp,stolen/otp,RichMorin/otp,ahmedshafeeq/otp,cobusc/otp,legoscia/otp,c-rack/otp,goertzenator/otp,g-andrade/otp,hairyhum/otp,mujiatong/otp,ader1990/otp,dumbbell/otp,basho/otp,mikpe/otp,bjorng/otp,sdebnath/otp,dgud/otp,theom/otp,cnbin/otp,RGafiyatullin/otp,sdebnath/otp,isvilen/otp,sammoth-wazoku/otp,paulcager/otp,emile/otp,sammoth-wazoku/otp,vladdu/otp,basho/otp,paulcager/otp,entropiae/otp,vladdu/otp,beni55/otp,bsmr-erlang/otp,psyeugenic/otp,Teino1978-Corp/erlang-otp,stolen/otp,RichMorin/otp,dumbbell/otp,hairyhum/otp,lucafavatella/otp,fenollp/otp,lightcyphers/otp,weisslj/otp,weisslj/otp,gjaldon/otp,cobusc/otp,lrascao/otp,Teino1978-Corp/otp,haguenau/otp,falkevik/otp,sitexa/otp,psyeugenic/otp,awetzel/otp,palas/otp,msantos/otp,msantos/otp,sdebnath/otp,electricimp/otp,isvilen/otp,paladim/otp,saleyn/otp,goertzenator/otp,g-andrade/otp,haguenau/otp,johanclaesson/otp,sitexa/otp,erlang/otp,goertzenator/otp,beni55/otp,emile/otp,yangchengjian/otp,dgud/otp,jemsbhai/otp,erlang/otp,RJ/otp,palas/otp,mikpe/otp,electricimp/otp,derek121/otp,klarna/otp,marquisthunder/otp,lianghaivv/otp,tuncer/otp,benoitc/otp-1,dumbbell/otp,lhslll/otp,lightcyphers/otp,lightcyphers/otp,GinjaNinja32/otp,emacsmirror/erlang,riverrun/otp,weisslj/otp,Teino1978-Corp/otp,rlipscombe/otp,emile/otp,getong/otp,VincentHHL/otp,lhslll/otp,yangchengjian/otp,lucafavatella/otp,bjorng/otp,theom/otp,fenollp/otp,getong/otp,potatosalad/otp,klarna/otp,paladim/otp,ferd/otp,ader1990/otp,kvakvs/otp,legoscia/otp,mujiatong/otp,platinumthinker/otp,erlang/otp,jj1bdx/otp,paulcager/otp,gjaldon/otp,lianghaivv/otp,vinoski/otp,beni55/otp,goertzenator/otp,matwey/otp,entropiae/otp,c-rack/otp,paulcager/otp,jemsbhai/otp,krishnakumar4a4/otp,johanclaesson/otp,fenollp/otp,bernardd/otp,NOMORECOFFEE/otp,basho/otp,RichMorin/otp,jamesruan/otp,c-rack/otp,awetzel/otp,lianghaivv/otp,RJ/otp,lianghaivv/otp,riverrun/otp,sammoth-wazoku/otp,RJ/otp,dgud/otp,ader1990/otp,bsmr-erlang/otp,g-andrade/otp,vladdu/otp,vinoski/otp,bsmr-erlang/otp,jj1bdx/otp,mikpe/otp,electricimp/otp,lantti/otp,bernardd/otp,palas/otp,ferd/otp,dgud/otp,potatosalad/otp,uabboli/otp,hairyhum/otp,rlipscombe/otp,massemanet/otp,VincentHHL/otp,basho/otp,fenollp/otp,potatosalad/otp,weisslj/otp,platinumthinker/otp,RoadRunnr/otp,platinumthinker/otp,paulcager/otp,NOMORECOFFEE/otp,sitexa/otp,kvakvs/otp,sdebnath/otp,getong/otp,g-andrade/otp,platinumthinker/otp,legoscia/otp,VincentHHL/otp,uabboli/otp,VincentHHL/otp,bugs-erlang-org/otp,sitexa/otp,RoadRunnr/otp,legoscia/otp,release-project/otp,cnbin/otp,lemenkov/otp,haguenau/otp,emacsmirror/erlang,hairyhum/otp,bsmr-erlang/otp,aboroska/otp,theom/otp,RGafiyatullin/otp,Teino1978-Corp/erlang-otp,beni55/otp,emacsmirror/erlang,aboroska/otp,tuncer/otp,gjaldon/otp,VincentHHL/otp,getong/otp,klarna/otp,stolen/otp,lemenkov/otp,lemenkov/otp,lucafavatella/otp,tuncer/otp,massemanet/otp,saleyn/otp,palas/otp,haguenau/otp,cnbin/otp,fenollp/otp,electricimp/otp,emile/otp,stolen/otp,lemenkov/otp,uabboli/otp,bsmr-erlang/otp,psyeugenic/otp,sitexa/otp,benoitc/otp-1,aboroska/otp,cnbin/otp,derek121/otp,bugs-erlang-org/otp,weisslj/otp,NOMORECOFFEE/otp,Teino1978-Corp/erlang-otp,RoadRunnr/otp,bjorng/otp,RJ/otp,jinshana/otp,tuncer/otp,klarna/otp,bernardd/otp,NOMORECOFFEE/otp,falkevik/otp,RoadRunnr/otp,derek121/otp,RaimoNiskanen/otp,weisslj/otp,fenollp/otp,lhslll/otp,enikki/otp,aboroska/otp,ferd/otp,dumbbell/otp,mujiatong/otp,RGafiyatullin/otp,derek121/otp,c-rack/otp,lightcyphers/otp,potatosalad/otp,rlipscombe/otp,jamesruan/otp,krishnakumar4a4/otp,awetzel/otp,getong/otp,platinumthinker/otp,RaimoNiskanen/otp,kvakvs/otp,beni55/otp,krishnakumar4a4/otp,VincentHHL/otp,neeraj9/otp,saleyn/otp,bugs-erlang-org/otp,dumbbell/otp,aboroska/otp,psyeugenic/otp,potatosalad/otp,GinjaNinja32/otp,RichMorin/otp,saleyn/otp,g-andrade/otp,gjaldon/otp,schlagert/otp,lhslll/otp,beni55/otp,RGafiyatullin/otp,hairyhum/otp,gjaldon/otp,RaimoNiskanen/otp,psyeugenic/otp,dgud/otp,lhslll/otp,bugs-erlang-org/otp,massemanet/otp,Teino1978-Corp/erlang-otp,haguenau/otp,RJ/otp,cobusc/otp,cobusc/otp,bjorng/otp,schlagert/otp,jinshana/otp,enikki/otp,stolen/otp,lucafavatella/otp,tuncer/otp,massemanet/otp,sitexa/otp,RoadRunnr/otp,msantos/otp,sammoth-wazoku/otp,riverrun/otp,hairyhum/otp,paladim/otp,kvakvs/otp,stolen/otp,theom/otp,benoitc/otp-1,marquisthunder/otp,krishnakumar4a4/otp,mujiatong/otp,lianghaivv/otp,RoadRunnr/otp,mikpe/otp,entropiae/otp,release-project/otp,krishnakumar4a4/otp,palas/otp,RJ/otp,awetzel/otp,benoitc/otp-1,theom/otp,bjorng/otp,yangchengjian/otp,msantos/otp,fenollp/otp,basho/otp,bernardd/otp,mujiatong/otp,ahmedshafeeq/otp,hairyhum/otp,ahmedshafeeq/otp,vladdu/otp,klarna/otp,weisslj/otp,ader1990/otp,riverrun/otp,theom/otp,ahmedshafeeq/otp,paladim/otp,schlagert/otp,saleyn/otp,RGafiyatullin/otp,jinshana/otp,bjorng/otp,getong/otp,jemsbhai/otp,tuncer/otp,erlang/otp,vic/otp,lianghaivv/otp,erlang/otp,g-andrade/otp,falkevik/otp,VincentHHL/otp,paladim/otp,dgud/otp,tuncer/otp,bsmr-erlang/otp,RGafiyatullin/otp,lucafavatella/otp,neeraj9/otp,lrascao/otp,cnbin/otp,getong/otp,kvakvs/otp,massemanet/otp,falkevik/otp,weisslj/otp,yangchengjian/otp,lantti/otp,release-project/otp,jj1bdx/otp,release-project/otp,RaimoNiskanen/otp,yangchengjian/otp,mujiatong/otp,massemanet/otp,emile/otp,sdebnath/otp,derek121/otp,lrascao/otp,lhslll/otp,sammoth-wazoku/otp,ahmedshafeeq/otp,basho/otp,c-rack/otp,RJ/otp,cnbin/otp,ferd/otp,matwey/otp,RaimoNiskanen/otp,vinoski/otp,krishnakumar4a4/otp,lrascao/otp,falkevik/otp,riverrun/otp,vic/otp,dgud/otp,lrascao/otp,derek121/otp,jj1bdx/otp,uabboli/otp,johanclaesson/otp,yangchengjian/otp,isvilen/otp,neeraj9/otp,neeraj9/otp,Teino1978-Corp/otp,lightcyphers/otp,jamesruan/otp,marquisthunder/otp,Teino1978-Corp/otp,vic/otp,matwey/otp,saleyn/otp,riverrun/otp,stolen/otp,ferd/otp,platinumthinker/otp,benoitc/otp-1,paulcager/otp,erlang/otp,ader1990/otp,benoitc/otp-1,emile/otp,jj1bdx/otp,lianghaivv/otp,kvakvs/otp,emacsmirror/erlang,getong/otp,marquisthunder/otp,bugs-erlang-org/otp,schlagert/otp,RichMorin/otp,cobusc/otp,matwey/otp,johanclaesson/otp,enikki/otp,release-project/otp,rlipscombe/otp,jinshana/otp,RaimoNiskanen/otp,johanclaesson/otp,goertzenator/otp,isvilen/otp,NOMORECOFFEE/otp,release-project/otp,entropiae/otp,hairyhum/otp,marquisthunder/otp,cobusc/otp,lhslll/otp,lantti/otp,palas/otp,getong/otp,klarna/otp,basho/otp,potatosalad/otp,jemsbhai/otp,kvakvs/otp,basho/otp,matwey/otp,theom/otp,legoscia/otp,haguenau/otp,neeraj9/otp,g-andrade/otp,emacsmirror/erlang,vic/otp,awetzel/otp,lemenkov/otp,mikpe/otp,cnbin/otp,electricimp/otp,jemsbhai/otp,paulcager/otp,dumbbell/otp,sdebnath/otp,falkevik/otp,ahmedshafeeq/otp,falkevik/otp