Fix incorrect declaration of FlBinaryCodec (#18283)

diff --git a/shell/platform/linux/public/flutter_linux/fl_binary_codec.h b/shell/platform/linux/public/flutter_linux/fl_binary_codec.h
index 8e5e0c1..00e727d 100644
--- a/shell/platform/linux/public/flutter_linux/fl_binary_codec.h
+++ b/shell/platform/linux/public/flutter_linux/fl_binary_codec.h
@@ -14,7 +14,7 @@
 G_BEGIN_DECLS
 
 G_DECLARE_FINAL_TYPE(FlBinaryCodec,
-                     fl_standard_codec,
+                     fl_binary_codec,
                      FL,
                      BINARY_CODEC,
                      FlMessageCodec)