//go/workspace: fix go workspace on MacOS

Change-Id: I5d287d53b31c36ef19f2ea4ebc7a0647c87f2e29
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1532
Reviewed-by: q3k <q3k@hackerspace.pl>

go/workspace/workspace.go

@@ -28,7 +28,7 @@ func getPathFSID(dir string) (uint64, error) {
 	}
 	switch x := st.Sys().(type) {
 	case *syscall.Stat_t:
-		return x.Dev, nil
+		return uint64(x.Dev), nil
 	default:
 		return 0, fmt.Errorf("unsupported operating system (got stat type %+v)", st.Sys())
 	}