crypto: cavium/nitrox - remove unneeded semicolon

A semicolon is not needed after a switch statement.
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/cavium/nitrox/nitrox_mbx.c

@@ -112,7 +112,7 @@ static void pf2vf_resp_handler(struct work_struct *work)
 	case MBX_MSG_TYPE_ACK:
 	case MBX_MSG_TYPE_NACK:
 		break;
-	};
+	}
 
 	kfree(pf2vf_resp);
 }