fix steal's none check so newer V accepts it (3.0.53)

@@ -134,7 +134,9 @@134134 		return err135135 	}136136 	// The files follow the commit; the mark lands with it, in one step.137-	if head_before == none || final.id != head_before or { history.Save{} }.id {137+	// No head before means a fresh clone, whose whole tree is new.138+	moved := if head := head_before { final.id != head.id } else { true }139+	if moved {138140 		snapshot.mark_restore(store) or {139141 			store.rollback()140142 			return err

@@ -1,6 +1,6 @@11 Module {22 	name: 'koh3'3-	version: '3.0.52'3+	version: '3.0.53'44 	description: 'One SQLite file per repo, one line of history.'55 	license: 'MIT'66 }