Fix warnings in 2d/edge.h
Fix warnings in 2d/edge.h

> edge.h:292:48: warning: unused parameter 'output' [-Wunused-parameter]

mikhail-matrosov/pcl,DaikiMaekawa/pcl,ResByte/pcl,kanster/pcl,lydhr/pcl,srbhprajapati/pcl,shivmalhotra/pcl,shangwuhencc/pcl,RufaelDev/pcc-mp3dg,pkuhto/pcl,drmateo/pcl,wgapl/pcl,lydhr/pcl,damienjadeduff/pcl,nikste/pcl,Tabjones/pcl,shyamalschandra/pcl,lebronzhang/pcl,fanxiaochen/mypcltest,fanxiaochen/mypcltest,3dtof/pcl,mikhail-matrosov/pcl,KevenRing/pcl,chatchavan/pcl,v4hn/pcl,mschoeler/pcl,RufaelDev/pcc-mp3dg,shivmalhotra/pcl,DaikiMaekawa/pcl,damienjadeduff/pcl,KevenRing/vlp,damienjadeduff/pcl,shivmalhotra/pcl,wgapl/pcl,drmateo/pcl,KevenRing/pcl,lydhr/pcl,Tabjones/pcl,v4hn/pcl,lebronzhang/pcl,sbec/pcl,jeppewalther/kinfu_segmentation,MMiknis/pcl,pkuhto/pcl,soulsheng/pcl,shyamalschandra/pcl,zavataafnan/pcl-truck,Tabjones/pcl,v4hn/pcl,lydhr/pcl,ipa-rmb/pcl,the-glu/pcl,jakobwilm/pcl,LZRS/pcl,locnx1984/pcl,damienjadeduff/pcl,simonleonard/pcl,pkuhto/pcl,stfuchs/pcl,jakobwilm/pcl,stfuchs/pcl,DaikiMaekawa/pcl,shyamalschandra/pcl,ipa-rmb/pcl,ipa-rmb/pcl,KevenRing/vlp,stefanbuettner/pcl,raydtang/pcl,mschoeler/pcl,mschoeler/pcl,jeppewalther/kinfu_segmentation,krips89/pcl_newfeatures,LZRS/pcl,MMiknis/pcl,LZRS/pcl,LZRS/pcl,RufaelDev/pcc-mp3dg,soulsheng/pcl,zavataafnan/pcl-truck,chenxingzhe/pcl,stefanbuettner/pcl,the-glu/pcl,ResByte/pcl,locnx1984/pcl,closerbibi/pcl,jeppewalther/kinfu_segmentation,fskuka/pcl,nikste/pcl,RufaelDev/pcc-mp3dg,cascheberg/pcl,mschoeler/pcl,simonleonard/pcl,shyamalschandra/pcl,jakobwilm/pcl,the-glu/pcl,msalvato/pcl_kinfu_highres,v4hn/pcl,sbec/pcl,zavataafnan/pcl-truck,pkuhto/pcl,mikhail-matrosov/pcl,soulsheng/pcl,fskuka/pcl,mschoeler/pcl,chenxingzhe/pcl,cascheberg/pcl,kanster/pcl,msalvato/pcl_kinfu_highres,ResByte/pcl,sbec/pcl,raydtang/pcl,pkuhto/pcl,shyamalschandra/pcl,fskuka/pcl,srbhprajapati/pcl,chenxingzhe/pcl,v4hn/pcl,stfuchs/pcl,ipa-rmb/pcl,shangwuhencc/pcl,stfuchs/pcl,3dtof/pcl,KevenRing/pcl,zhangxaochen/pcl,fanxiaochen/mypcltest,chenxingzhe/pcl,msalvato/pcl_kinfu_highres,lebronzhang/pcl,DaikiMaekawa/pcl,the-glu/pcl,3dtof/pcl,ResByte/pcl,wgapl/pcl,stfuchs/pcl,cascheberg/pcl,chenxingzhe/pcl,shivmalhotra/pcl,simonleonard/pcl,soulsheng/pcl,raydtang/pcl,chatchavan/pcl,sbec/pcl,drmateo/pcl,cascheberg/pcl,simonleonard/pcl,msalvato/pcl_kinfu_highres,srbhprajapati/pcl,damienjadeduff/pcl,LZRS/pcl,closerbibi/pcl,KevenRing/pcl,kanster/pcl,zhangxaochen/pcl,shangwuhencc/pcl,RufaelDev/pcc-mp3dg,closerbibi/pcl,closerbibi/pcl,KevenRing/pcl,jeppewalther/kinfu_segmentation,jeppewalther/kinfu_segmentation,zavataafnan/pcl-truck,nikste/pcl,MMiknis/pcl,zhangxaochen/pcl,zhangxaochen/pcl,lydhr/pcl,cascheberg/pcl,ResByte/pcl,sbec/pcl,lebronzhang/pcl,locnx1984/pcl,MMiknis/pcl,locnx1984/pcl,msalvato/pcl_kinfu_highres,drmateo/pcl,locnx1984/pcl,kanster/pcl,zavataafnan/pcl-truck,raydtang/pcl,Tabjones/pcl,stefanbuettner/pcl,lebronzhang/pcl,soulsheng/pcl,krips89/pcl_newfeatures,srbhprajapati/pcl,jakobwilm/pcl,KevenRing/vlp,stefanbuettner/pcl,fanxiaochen/mypcltest,shangwuhencc/pcl,starius/pcl,zhangxaochen/pcl,starius/pcl,shivmalhotra/pcl,simonleonard/pcl,srbhprajapati/pcl,drmateo/pcl,starius/pcl,3dtof/pcl,wgapl/pcl,raydtang/pcl,kanster/pcl,mikhail-matrosov/pcl,nikste/pcl,fanxiaochen/mypcltest,KevenRing/vlp,starius/pcl,DaikiMaekawa/pcl,chatchavan/pcl,Tabjones/pcl,KevenRing/vlp,chatchavan/pcl,fskuka/pcl,krips89/pcl_newfeatures,mikhail-matrosov/pcl,fskuka/pcl,3dtof/pcl,the-glu/pcl,MMiknis/pcl,stefanbuettner/pcl,closerbibi/pcl,shangwuhencc/pcl,jakobwilm/pcl,nikste/pcl,starius/pcl,krips89/pcl_newfeatures,ipa-rmb/pcl,wgapl/pcl,krips89/pcl_newfeatures