fixed a compiler warning
fixed a compiler warning


git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@2004 a9d63959-f2ad-4865-b262-bf0e56cfafb6

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