Add missing exec.
Add missing exec.

isaacs/tilemill,tizzybec/tilemill,paulovieira/tilemill-clima,Teino1978-Corp/Teino1978-Corp-tilemill,paulovieira/tilemill-clima,nyimbi/tilemill,florianf/tileoven,mbrukman/tilemill,mbrukman/tilemill,tilemill-project/tilemill,fxtentacle/tilemill,paulovieira/tilemill-clima,mbrukman/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,paulovieira/tilemill-clima,nyimbi/tilemill,fxtentacle/tilemill,tizzybec/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,florianf/tileoven,Zhao-Qi/tilemill,Zhao-Qi/tilemill,MappingKat/tilemill,Zhao-Qi/tilemill,nyimbi/tilemill,paulovieira/tilemill-clima,mbrukman/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,makinacorpus/tilemill,florianf/tileoven,tizzybec/tilemill,Zhao-Qi/tilemill,makinacorpus/tilemill,fxtentacle/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,MappingKat/tilemill,tizzybec/tilemill,MappingKat/tilemill,mbrukman/tilemill,isaacs/tilemill,tilemill-project/tilemill,tilemill-project/tilemill,Zhao-Qi/tilemill,fxtentacle/tilemill,fxtentacle/tilemill,isaacs/tilemill,nyimbi/tilemill,MappingKat/tilemill,MappingKat/tilemill,tizzybec/tilemill,nyimbi/tilemill