linting fix

server/server.go

@@ -466,8 +466,6 @@ func (s *Server) Run() {
 	r.HandleFunc("/{action:(?:download|get|inline)}/{token}/{filename}", s.headHandler).Methods("HEAD")
 
 	r.HandleFunc("/{token}/{filename}", s.previewHandler).MatcherFunc(func(r *http.Request, rm *mux.RouteMatch) (match bool) {
-		match = false
-
 		// The file will show a preview page when opening the link in browser directly or
 		// from external link. If the referer url path and current path are the same it will be
 		// downloaded.