Fix #2895: FableLibDir in cached info is empty when using --precompiledLib
Fix #2895: FableLibDir in cached info is empty when using --precompiledLib

ncave/Fable,fable-compiler/Fable,ncave/Fable,fable-compiler/Fable,ncave/Fable,fable-compiler/Fable,fable-compiler/Fable,fable-compiler/Fable,fable-compiler/Fable,fable-compiler/Fable,ncave/Fable,ncave/Fable,ncave/Fable,ncave/Fable