added inline to function in point_types_conversions.h
added inline to function in point_types_conversions.h

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