build.cmd: syntax fixes.
build.cmd: syntax fixes.

mrjbq7/factor,mrjbq7/factor,factor/factor,factor/factor,factor/factor,factor/factor,factor/factor,mrjbq7/factor,mrjbq7/factor,tgunr/factor,tgunr/factor,tgunr/factor,factor/factor,tgunr/factor,tgunr/factor,tgunr/factor,mrjbq7/factor,mrjbq7/factor