[Ref] Plugins: DigiBooster: Add MPT_BINARY_STRUCT() check.

git-svn-id: https://source.openmpt.org/svn/openmpt/trunk/OpenMPT@25195 56274372-70c3-4bfc-bfc3-4c3a0b034d27

Author: manxorist

soundlib/plugins/DigiBoosterEcho.h

@@ -118,4 +118,6 @@ class DigiBoosterEcho final : public IMixPlugin
 	void RecalculateEchoParams();
 };
 
+MPT_BINARY_STRUCT(DigiBoosterEcho::PluginChunk, 8);
+
 OPENMPT_NAMESPACE_END