Improve ANSCV

modules/ANSCV/ANSOpenCV.h

@@ -155,7 +155,9 @@ namespace ANSCENTER
 		std::recursive_mutex		_mutex;
 
 		//std::once_flag				licenseOnceFlag; // For one-time license check
-		bool						_licenseValid = false;
+		// Atomic so lock-free methods (ImageResize, ImageResizeWithRatio,
+		// MatToBinaryData, EncodeJpegString) can read it without _mutex.
+		std::atomic<bool>			_licenseValid{ false };
 	public:
 	};
 }