fix byte ordering

Author: awxkee

Sources/jxlc/JxlAnimatedEncoder.hpp

@@ -68,13 +68,13 @@ class JxlAnimatedEncoder {
             throw AnimatedEncoderError(str);
         }
 
-        pixelFormat = {3, JXL_TYPE_UINT8, JXL_BIG_ENDIAN, 0};
+        pixelFormat = {3, JXL_TYPE_UINT8, JXL_NATIVE_ENDIAN, 0};
         switch (pixelType) {
             case rgb:
-                pixelFormat = {3, JXL_TYPE_UINT8, JXL_BIG_ENDIAN, 0};
+                pixelFormat = {3, JXL_TYPE_UINT8, JXL_NATIVE_ENDIAN, 0};
                 break;
             case rgba:
-                pixelFormat = {4, JXL_TYPE_UINT8, JXL_BIG_ENDIAN, 0};
+                pixelFormat = {4, JXL_TYPE_UINT8, JXL_NATIVE_ENDIAN, 0};
                 break;
         }