crypto: virtio - clean up indentation, replace spaces with tab

A statement is indented with spaces and not indented enough, fix this
replacing spaces with a tab.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/virtio/virtio_crypto_algs.c b/drivers/crypto/virtio/virtio_crypto_algs.c
index 2c573d1..0704833 100644
--- a/drivers/crypto/virtio/virtio_crypto_algs.c
+++ b/drivers/crypto/virtio/virtio_crypto_algs.c
@@ -406,7 +406,7 @@
 	} else {
 		req_data->header.session_id =
 			cpu_to_le64(ctx->dec_sess_info.session_id);
-	    req_data->header.opcode =
+		req_data->header.opcode =
 			cpu_to_le32(VIRTIO_CRYPTO_CIPHER_DECRYPT);
 	}
 	req_data->u.sym_req.op_type = cpu_to_le32(VIRTIO_CRYPTO_SYM_OP_CIPHER);