Add support for DragonFlyBSD to memsup
Add support for DragonFlyBSD to memsup

DragonFly was partially supported by os_mon already but when trying to
start the os_mon application it'd crash with an error about an unknown
operating system in memsup. This patch changes memsup to use the FreeBSD
sysctl method to get memory information when on DragonFly.

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