Merge pull request OkGoDoIt#94 from HongxuMeng/bugfix

Fix a bug of CallModerationAsync with parameters in wrong order

OpenAI_API/Moderation/ModerationEndpoint.cs

@@ -34,7 +34,7 @@ internal ModerationEndpoint(OpenAIAPI api) : base(api) { }
 		/// <returns>Asynchronously returns the classification result</returns>
 		public async Task<ModerationResult> CallModerationAsync(string input)
 		{
-			ModerationRequest req = new ModerationRequest(DefaultModerationRequestArgs.Model, input);
+			ModerationRequest req = new ModerationRequest(input, DefaultModerationRequestArgs.Model);
 			return await CallModerationAsync(req);
 		}