Darwin support
Hi,
The way the fuse wrapper is written means go get fails on Darwin systems. Any chance of this being fixed?
`imac$ go get -u gitlab.com/passelecasque/varroa
gitlab.com/passelecasque/varroa
../../go/src/gitlab.com/passelecasque/varroa/fuse_dir.go:49:26: stat.Atim undefined (type syscall.Stat_t has no field or method Atim) ../../go/src/gitlab.com/passelecasque/varroa/fuse_dir.go:50:26: stat.Ctim undefined (type syscall.Stat_t has no field or method Ctim) ../../go/src/gitlab.com/passelecasque/varroa/fuse_file.go:44:32: stat.Atim undefined (type syscall.Stat_t has no field or method Atim) ../../go/src/gitlab.com/passelecasque/varroa/fuse_file.go:45:32: stat.Ctim undefined (type syscall.Stat_t has no field or method Ctim) `