fixed assert issue in io/src/libpng_wrapper.cpp
fixed assert issue in io/src/libpng_wrapper.cpp


git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@6893 a9d63959-f2ad-4865-b262-bf0e56cfafb6

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