add an if condition check for Convex_hull apps for dominant_plane_segmentation.cpp
add an if condition check for Convex_hull apps for dominant_plane_segmentation.cpp

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