LibGfx/JPEGXL: Make JPEGXLLoadingContext non [copy,move]able

Author: https://github.com/LucasChollet
Commit: https://github.com/LadybirdBrowser/ladybird/commit/d9a2c62ed41
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/777

Userland/Libraries/LibGfx/ImageFormats/JPEGXLLoader.cpp

@@ -12,6 +12,9 @@
 namespace Gfx {
 
 class JPEGXLLoadingContext {
+    AK_MAKE_NONCOPYABLE(JPEGXLLoadingContext);
+    AK_MAKE_NONMOVABLE(JPEGXLLoadingContext);
+
 public:
     JPEGXLLoadingContext(JxlDecoder* decoder)
         : m_decoder(decoder)