fixed a compiler warning
fixed a compiler warning

git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@7922 a9d63959-f2ad-4865-b262-bf0e56cfafb6

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