[PADLOCK] Fix sparse warning about 1-bit signed bit-field

Change the bit-field in struct cword to unsigned to shut sparse up.

Signed-off-by: Herbert Xu <[e-mail]>

drivers/crypto/padlock.h

···
 
 /* Control word. */
 struct cword {
-	int __attribute__ ((__packed__))
+	unsigned int __attribute__ ((__packed__))
 		rounds:4,
 		algo:3,
 		keygen:1,