fixed a compiler warning
fixed a compiler warning


git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@5985 a9d63959-f2ad-4865-b262-bf0e56cfafb6

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