Add .def files to the list of source file types to pass to the linker.
Add .def files to the list of source file types to pass to the linker.

rjframe/dub,grogancolin/dub,gedaiu/dub,Geod24/dub,dreamsxin/dub,Flamaros/dub,schuetzm/dub,D-Programming-Language/dub,alexeibs/dub,Abscissa/dub-data-mod,y12uc231/dub,p0nce/dub,jeanbaptistelab/dub,xentec/dub,jelmansouri/dub,nazriel/dub,Abscissa/dub