including missing weak_ptr include, per issue #49 (http://dev.pointclouds.org/issues/49).
including missing weak_ptr include, per issue #49 (http://dev.pointclouds.org/issues/49).


git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@399 a9d63959-f2ad-4865-b262-bf0e56cfafb6

damienjadeduff/pcl,lebronzhang/pcl,simonleonard/pcl,soulsheng/pcl,ResByte/pcl,krips89/pcl_newfeatures,locnx1984/pcl,DaikiMaekawa/pcl,zhangxaochen/pcl,nikste/pcl,locnx1984/pcl,lebronzhang/pcl,ResByte/pcl,starius/pcl,MMiknis/pcl,KevenRing/pcl,the-glu/pcl,soulsheng/pcl,shivmalhotra/pcl,cascheberg/pcl,jakobwilm/pcl,msalvato/pcl_kinfu_highres,shyamalschandra/pcl,soulsheng/pcl,pkuhto/pcl,sbec/pcl,KevenRing/pcl,soulsheng/pcl,wgapl/pcl,sbec/pcl,chatchavan/pcl,chenxingzhe/pcl,Tabjones/pcl,ipa-rmb/pcl,zavataafnan/pcl-truck,zavataafnan/pcl-truck,chenxingzhe/pcl,lydhr/pcl,stefanbuettner/pcl,mschoeler/pcl,fanxiaochen/mypcltest,nh2/pcl,fskuka/pcl,damienjadeduff/pcl,lebronzhang/pcl,wgapl/pcl,srbhprajapati/pcl,shivmalhotra/pcl,ResByte/pcl,fskuka/pcl,v4hn/pcl,jeppewalther/kinfu_segmentation,chenxingzhe/pcl,stfuchs/pcl,stfuchs/pcl,damienjadeduff/pcl,ResByte/pcl,damienjadeduff/pcl,krips89/pcl_newfeatures,shyamalschandra/pcl,locnx1984/pcl,starius/pcl,simonleonard/pcl,the-glu/pcl,locnx1984/pcl,ipa-rmb/pcl,shyamalschandra/pcl,chatchavan/pcl,mikhail-matrosov/pcl,kanster/pcl,drmateo/pcl,jakobwilm/pcl,soulsheng/pcl,mschoeler/pcl,sbec/pcl,lydhr/pcl,MMiknis/pcl,cascheberg/pcl,damienjadeduff/pcl,chenxingzhe/pcl,Tabjones/pcl,fanxiaochen/mypcltest,fskuka/pcl,msalvato/pcl_kinfu_highres,v4hn/pcl,closerbibi/pcl,simonleonard/pcl,MMiknis/pcl,3dtof/pcl,drmateo/pcl,stfuchs/pcl,mikhail-matrosov/pcl,mschoeler/pcl,RufaelDev/pcc-mp3dg,KevenRing/vlp,Nerei/pcl_old_repo,mikhail-matrosov/pcl,zavataafnan/pcl-truck,mikhail-matrosov/pcl,DaikiMaekawa/pcl,closerbibi/pcl,MMiknis/pcl,the-glu/pcl,sbec/pcl,jeppewalther/kinfu_segmentation,jakobwilm/pcl,krips89/pcl_newfeatures,ipa-rmb/pcl,fskuka/pcl,nikste/pcl,nikste/pcl,v4hn/pcl,Nerei/pcl_old_repo,DaikiMaekawa/pcl,zhangxaochen/pcl,3dtof/pcl,drmateo/pcl,shangwuhencc/pcl,msalvato/pcl_kinfu_highres,starius/pcl,the-glu/pcl,srbhprajapati/pcl,srbhprajapati/pcl,KevenRing/vlp,Tabjones/pcl,cascheberg/pcl,chatchavan/pcl,raydtang/pcl,DaikiMaekawa/pcl,jakobwilm/pcl,ResByte/pcl,LZRS/pcl,pkuhto/pcl,KevenRing/vlp,zhangxaochen/pcl,wgapl/pcl,zhangxaochen/pcl,krips89/pcl_newfeatures,ipa-rmb/pcl,LZRS/pcl,lydhr/pcl,zavataafnan/pcl-truck,pkuhto/pcl,jeppewalther/kinfu_segmentation,Tabjones/pcl,3dtof/pcl,kanster/pcl,v4hn/pcl,shangwuhencc/pcl,fanxiaochen/mypcltest,kanster/pcl,stfuchs/pcl,wgapl/pcl,nh2/pcl,srbhprajapati/pcl,closerbibi/pcl,kanster/pcl,RufaelDev/pcc-mp3dg,jeppewalther/kinfu_segmentation,msalvato/pcl_kinfu_highres,shangwuhencc/pcl,lebronzhang/pcl,jakobwilm/pcl,lydhr/pcl,closerbibi/pcl,fskuka/pcl,mschoeler/pcl,zavataafnan/pcl-truck,stefanbuettner/pcl,jeppewalther/kinfu_segmentation,shyamalschandra/pcl,fanxiaochen/mypcltest,shyamalschandra/pcl,LZRS/pcl,simonleonard/pcl,Tabjones/pcl,raydtang/pcl,nh2/pcl,nikste/pcl,srbhprajapati/pcl,3dtof/pcl,pkuhto/pcl,closerbibi/pcl,chatchavan/pcl,shangwuhencc/pcl,DaikiMaekawa/pcl,simonleonard/pcl,KevenRing/pcl,LZRS/pcl,RufaelDev/pcc-mp3dg,cascheberg/pcl,mschoeler/pcl,locnx1984/pcl,the-glu/pcl,msalvato/pcl_kinfu_highres,v4hn/pcl,chenxingzhe/pcl,LZRS/pcl,drmateo/pcl,cascheberg/pcl,3dtof/pcl,drmateo/pcl,shangwuhencc/pcl,raydtang/pcl,stefanbuettner/pcl,KevenRing/pcl,shivmalhotra/pcl,KevenRing/pcl,sbec/pcl,stefanbuettner/pcl,raydtang/pcl,KevenRing/vlp,KevenRing/vlp,RufaelDev/pcc-mp3dg,Nerei/pcl_old_repo,raydtang/pcl,stefanbuettner/pcl,ipa-rmb/pcl,shivmalhotra/pcl,pkuhto/pcl,zhangxaochen/pcl,lebronzhang/pcl,stfuchs/pcl,kanster/pcl,mikhail-matrosov/pcl,RufaelDev/pcc-mp3dg,lydhr/pcl,wgapl/pcl,shivmalhotra/pcl,nikste/pcl,Nerei/pcl_old_repo,starius/pcl,MMiknis/pcl,fanxiaochen/mypcltest,nh2/pcl,starius/pcl,krips89/pcl_newfeatures