fixed a compiler warning
fixed a compiler warning


git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@6745 a9d63959-f2ad-4865-b262-bf0e56cfafb6

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