fix unknown type name ‘mode_t’ on linux
fix unknown type name ‘mode_t’ on linux

sustrik/libmill,reqshark/libmill,reqshark/libmill,ebfe/libmill,sustrik/libmill,jimjag/mill,ebfe/libmill,reqshark/libmill,sustrik/libmill,jimjag/mill,ebfe/libmill,jimjag/mill