Fixed Ruby Engine
Fixed Ruby Engine

The arg changes to the compile() function weren't updated for the pure-ruby implementation of EngineAdapter. I've fixed this and now that test can be run in the various styles.

chriseppstein/sass-spec,mgreter/sass-spec,saper/sass-spec,saper/sass-spec,mahtd/sass-spec,sass/sass-spec,am11/sass-spec,mgreter/sass-spec,chriseppstein/sass-spec,mahtd/sass-spec,nschonni/sass-spec,carols10cents/sass-spec,chriseppstein/sass-spec,saper/sass-spec,sass/sass-spec,am11/sass-spec,asottile/sass-spec,carols10cents/sass-spec,nschonni/sass-spec,am11/sass-spec,mgreter/sass-spec,xzyfer/sass-spec,xzyfer/sass-spec,xzyfer/sass-spec,sass/sass-spec,mahtd/sass-spec,sass/sass-spec,nschonni/sass-spec,xzyfer/sass-spec,asottile/sass-spec,nschonni/sass-spec,davidkpiano/sass-spec,davidkpiano/sass-spec