fixed bug reported by Mourad and http://www.pcl-users.org/Problem-when-checking-x-y-z-NaN-td3831898.html. Thanks to Mourad
fixed bug reported by Mourad and http://www.pcl-users.org/Problem-when-checking-x-y-z-NaN-td3831898.html. Thanks to Mourad

git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@5193 a9d63959-f2ad-4865-b262-bf0e56cfafb6

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