Make darwin fixes compile on linux again.

fuse/attr_linux.go

 package fuse
+import (
+	"syscall"
+)
 
 func (a *Attr) FromStat(s *syscall.Stat_t) {
 	a.Ino = uint64(s.Ino)

fuse/loopback_linux.go

 package fuse
 
 import (
+	"fmt"
 	"syscall"
 )
 

raw/print_linux.go

 package raw
+import (
+	"syscall"
+)
 
-init() {
+func init() {
 	OpenFlagNames[syscall.O_DIRECT] = "DIRECT"
 	OpenFlagNames[syscall.O_LARGEFILE] = "LARGEFILE"
 	OpenFlagNames[syscall_O_NOATIME] = "NOATIME"