crypto: dh - return unsigned int for dh_data_size()

p->key_size, p->p_size, p->g_size are all of unsigned int type.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/dh_helper.c

@@ -28,7 +28,7 @@ static inline const u8 *dh_unpack_data(void *dst, const void *src, size_t size)
 	return src + size;
 }
 
-static inline int dh_data_size(const struct dh *p)
+static inline unsigned int dh_data_size(const struct dh *p)
 {
 	return p->key_size + p->p_size + p->g_size;
 }