Fix deps and race conditions in nacl_demos Makefile
Fix deps and race conditions in nacl_demos Makefile

damienfir/Halide,kenkuang1213/Halide,jiawen/Halide,psuriana/Halide,myrtleTree33/Halide,damienfir/Halide,dougkwan/Halide,tdenniston/Halide,kenkuang1213/Halide,ronen/Halide,ayanazmat/Halide,myrtleTree33/Halide,fengzhyuan/Halide,dan-tull/Halide,delcypher/Halide,tdenniston/Halide,tdenniston/Halide,ayanazmat/Halide,dan-tull/Halide,aam/Halide,adasworks/Halide,rodrigob/Halide,adasworks/Halide,fengzhyuan/Halide,damienfir/Halide,smxlong/Halide,smxlong/Halide,fengzhyuan/Halide,mcanthony/Halide,fengzhyuan/Halide,gchauras/Halide,adasworks/Halide,dan-tull/Halide,tdenniston/Halide,ayanazmat/Halide,fengzhyuan/Halide,psuriana/Halide,delcypher/Halide,tdenniston/Halide,kenkuang1213/Halide,ayanazmat/Halide,tdenniston/Halide,lglucin/Halide,aam/Halide,smxlong/Halide,kgnk/Halide,gchauras/Halide,fengzhyuan/Halide,kgnk/Halide,rodrigob/Halide,lglucin/Halide,ayanazmat/Halide,jiawen/Halide,myrtleTree33/Halide,kgnk/Halide,mcanthony/Halide,gchauras/Halide,smxlong/Halide,dan-tull/Halide,rodrigob/Halide,myrtleTree33/Halide,damienfir/Halide,mcanthony/Halide,myrtleTree33/Halide,smxlong/Halide,ayanazmat/Halide,tdenniston/Halide,ronen/Halide,adasworks/Halide,rodrigob/Halide,jiawen/Halide,smxlong/Halide,jiawen/Halide,lglucin/Halide,adasworks/Halide,aam/Halide,kgnk/Halide,damienfir/Halide,tdenniston/Halide,damienfir/Halide,ronen/Halide,aam/Halide,jiawen/Halide,ayanazmat/Halide,lglucin/Halide,psuriana/Halide,myrtleTree33/Halide,delcypher/Halide,ronen/Halide,mcanthony/Halide,kgnk/Halide,mcanthony/Halide,aam/Halide,dougkwan/Halide,kenkuang1213/Halide,lglucin/Halide,dougkwan/Halide,gchauras/Halide,mcanthony/Halide,delcypher/Halide,adasworks/Halide,dan-tull/Halide,dougkwan/Halide,damienfir/Halide,rodrigob/Halide,rodrigob/Halide,aam/Halide,dougkwan/Halide,kenkuang1213/Halide,ayanazmat/Halide,delcypher/Halide,kenkuang1213/Halide,rodrigob/Halide,dougkwan/Halide,mcanthony/Halide,ronen/Halide,adasworks/Halide,lglucin/Halide,delcypher/Halide,fengzhyuan/Halide,psuriana/Halide,smxlong/Halide,gchauras/Halide,gchauras/Halide,kgnk/Halide,dougkwan/Halide,jiawen/Halide,delcypher/Halide,kgnk/Halide,myrtleTree33/Halide,fengzhyuan/Halide,ronen/Halide,delcypher/Halide,ronen/Halide,damienfir/Halide,jiawen/Halide,mcanthony/Halide,psuriana/Halide,psuriana/Halide,dougkwan/Halide,myrtleTree33/Halide,lglucin/Halide,dan-tull/Halide,kenkuang1213/Halide,aam/Halide,adasworks/Halide,psuriana/Halide,kenkuang1213/Halide,smxlong/Halide,dan-tull/Halide,dan-tull/Halide,ronen/Halide,kgnk/Halide,rodrigob/Halide