fixing output

Author: goergisn

Sources/public-api-diff.swift

@@ -48,7 +48,7 @@ struct PublicApiDiff: AsyncParsableCommand {
             let newSource: ProjectSource = try ProjectSource.from(new, fileHandler: fileHandler)
 
             let oldVersionName = oldSource.description
-            let newVersionName = oldSource.description
+            let newVersionName = newSource.description
 
             logger.log("Comparing `\(newVersionName)` to `\(oldVersionName)`", from: "Main")