Fix warnings in test/common/test_copy_make_borders.cpp
Fix warnings in test/common/test_copy_make_borders.cpp

> test_copy_make_borders.cpp:55:23: warning: comparison of integers of different signs: 'int' and 'uint32_t' (aka 'unsigned int') [-Wsign-compare]

... and 18 more.

shangwuhencc/pcl,Tabjones/pcl,starius/pcl,KevenRing/vlp,the-glu/pcl,cascheberg/pcl,KevenRing/pcl,sbec/pcl,MMiknis/pcl,locnx1984/pcl,nikste/pcl,krips89/pcl_newfeatures,DaikiMaekawa/pcl,mikhail-matrosov/pcl,raydtang/pcl,soulsheng/pcl,damienjadeduff/pcl,KevenRing/pcl,MMiknis/pcl,stfuchs/pcl,lydhr/pcl,stefanbuettner/pcl,soulsheng/pcl,zhangxaochen/pcl,ipa-rmb/pcl,fanxiaochen/mypcltest,shivmalhotra/pcl,nikste/pcl,closerbibi/pcl,soulsheng/pcl,wgapl/pcl,ResByte/pcl,RufaelDev/pcc-mp3dg,LZRS/pcl,KevenRing/pcl,starius/pcl,mikhail-matrosov/pcl,closerbibi/pcl,nikste/pcl,krips89/pcl_newfeatures,KevenRing/vlp,wgapl/pcl,LZRS/pcl,KevenRing/vlp,DaikiMaekawa/pcl,sbec/pcl,mschoeler/pcl,3dtof/pcl,shivmalhotra/pcl,fanxiaochen/mypcltest,kanster/pcl,LZRS/pcl,KevenRing/vlp,shivmalhotra/pcl,kanster/pcl,closerbibi/pcl,raydtang/pcl,3dtof/pcl,fskuka/pcl,locnx1984/pcl,MMiknis/pcl,raydtang/pcl,locnx1984/pcl,pkuhto/pcl,pkuhto/pcl,the-glu/pcl,soulsheng/pcl,locnx1984/pcl,RufaelDev/pcc-mp3dg,kanster/pcl,LZRS/pcl,the-glu/pcl,DaikiMaekawa/pcl,nikste/pcl,starius/pcl,stfuchs/pcl,kanster/pcl,wgapl/pcl,shyamalschandra/pcl,sbec/pcl,RufaelDev/pcc-mp3dg,wgapl/pcl,ipa-rmb/pcl,mschoeler/pcl,lydhr/pcl,cascheberg/pcl,stfuchs/pcl,ResByte/pcl,ResByte/pcl,simonleonard/pcl,3dtof/pcl,krips89/pcl_newfeatures,mschoeler/pcl,drmateo/pcl,MMiknis/pcl,raydtang/pcl,fskuka/pcl,damienjadeduff/pcl,krips89/pcl_newfeatures,Tabjones/pcl,shyamalschandra/pcl,starius/pcl,zhangxaochen/pcl,ResByte/pcl,zhangxaochen/pcl,cascheberg/pcl,shivmalhotra/pcl,the-glu/pcl,starius/pcl,RufaelDev/pcc-mp3dg,pkuhto/pcl,lebronzhang/pcl,simonleonard/pcl,lebronzhang/pcl,shangwuhencc/pcl,mschoeler/pcl,kanster/pcl,shyamalschandra/pcl,fskuka/pcl,chenxingzhe/pcl,stefanbuettner/pcl,soulsheng/pcl,LZRS/pcl,lydhr/pcl,krips89/pcl_newfeatures,stfuchs/pcl,shyamalschandra/pcl,lebronzhang/pcl,sbec/pcl,stefanbuettner/pcl,ipa-rmb/pcl,lydhr/pcl,simonleonard/pcl,lebronzhang/pcl,Tabjones/pcl,RufaelDev/pcc-mp3dg,cascheberg/pcl,shangwuhencc/pcl,raydtang/pcl,stefanbuettner/pcl,Tabjones/pcl,pkuhto/pcl,closerbibi/pcl,DaikiMaekawa/pcl,shivmalhotra/pcl,cascheberg/pcl,mikhail-matrosov/pcl,chenxingzhe/pcl,zhangxaochen/pcl,Tabjones/pcl,3dtof/pcl,fskuka/pcl,the-glu/pcl,mschoeler/pcl,MMiknis/pcl,simonleonard/pcl,shyamalschandra/pcl,KevenRing/pcl,ResByte/pcl,DaikiMaekawa/pcl,chenxingzhe/pcl,mikhail-matrosov/pcl,damienjadeduff/pcl,fanxiaochen/mypcltest,KevenRing/pcl,fskuka/pcl,damienjadeduff/pcl,sbec/pcl,stefanbuettner/pcl,chenxingzhe/pcl,drmateo/pcl,drmateo/pcl,lebronzhang/pcl,drmateo/pcl,3dtof/pcl,pkuhto/pcl,nikste/pcl,simonleonard/pcl,locnx1984/pcl,fanxiaochen/mypcltest,wgapl/pcl,mikhail-matrosov/pcl,ipa-rmb/pcl,chenxingzhe/pcl,shangwuhencc/pcl,closerbibi/pcl,drmateo/pcl,zhangxaochen/pcl,damienjadeduff/pcl,lydhr/pcl,fanxiaochen/mypcltest,shangwuhencc/pcl,KevenRing/vlp,stfuchs/pcl,ipa-rmb/pcl