--- StormLib-9.23/src/StormLib.h.orig	2020-11-21 04:27:09.000000000 +0100
+++ StormLib-9.23/src/StormLib.h	2021-11-14 21:16:16.836297985 +0100
@@ -480,7 +480,9 @@
 typedef void (WINAPI * SFILE_COMPACT_CALLBACK)(void * pvUserData, DWORD dwWorkType, ULONGLONG BytesProcessed, ULONGLONG TotalBytes);
 
 struct TFileStream;
+typedef struct TFileStream TFileStream;
 struct TMPQBits;
+typedef struct TMPQBits TMPQBits;
 
 //-----------------------------------------------------------------------------
 // Structures related to MPQ format