[PATCH] lib/sha1.c: fix sparse warning

lib/sha1.c:44:10: warning: cast to restricted type

Signed-off-by: Alexey Dobriyan <[e-mail]>
Signed-off-by: Domen Puncer <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

lib/sha1.c

···
 	__u32 a, b, c, d, e, t, i;
 
 	for (i = 0; i < 16; i++)
-		W[i] = be32_to_cpu(((const __u32 *)in)[i]);
+		W[i] = be32_to_cpu(((const __be32 *)in)[i]);
 
 	for (i = 0; i < 64; i++)
 		W[i+16] = rol32(W[i+13] ^ W[i+8] ^ W[i+2] ^ W[i], 1);