odissey: update shapito submodule

lib/shapito

@@ -1 +1 @@
-Subproject commit 16878a14c0b54e8bf98bf1fa20f6a55b1434ce22
+Subproject commit 50472d5657ded0022b33cc50e7203393770732a3

src/od_frontend.c

@@ -391,13 +391,12 @@ od_frontend_main(od_client_t *client)
 					return rc;
 				continue;
 			}
-
 			/* CopyOutResponse */
 			if (type == 'H') {
 				assert(! server->is_copy);
 				server->is_copy = 1;
 			}
-			/* CopyDone (copy out complete) */
+			/* CopyDone */
 			if (type == 'c') {
 				server->is_copy = 0;
 			}