Fix VS2015 Halide build.
Fix VS2015 Halide build.

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