fixed compiler warnings
fixed compiler warnings

git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@8016 a9d63959-f2ad-4865-b262-bf0e56cfafb6

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