Convert os.PathError back to syscall errno as well.

fuse/misc.go

@@ -45,6 +45,11 @@ func OsErrorToFuseError(err os.Error) Status {
 			return Status(asSyscallErr.Errno)
 		}
 
+		asPathErr, ok := err.(*os.PathError)
+		if ok {
+			return OsErrorToFuseError(asPathErr.Error)
+		}
+		
 		// Should not happen.  Should we log an error somewhere?
 		return ENOSYS
 	}

fuse/misc_test.go

@@ -18,4 +18,10 @@ func TestOsErrorToFuseError(t *testing.T) {
 	if errNo != syscall.EPERM {
 		t.Errorf("Wrong conversion %v != %v", errNo, syscall.EPERM)
 	}
+
+	e = os.Remove("this-file-surely-does-not-exist")
+	errNo = OsErrorToFuseError(e)
+	if errNo != syscall.ENOENT {
+		t.Errorf("Wrong conversion %v != %v", errNo, syscall.ENOENT)
+	}
 }