--- a
+++ b/src/libw32dll/wine/pshpack4.h
@@ -0,0 +1,15 @@
+#ifndef __WINE_PSHPACK_H
+#define __WINE_PSHPACK_H 4
+
+#if defined(__GNUC__) || defined(__SUNPRO_CC)
+//#pragma pack(4)
+#elif defined(__SUNPRO_C)
+//#pragma pack()
+#elif !defined(RC_INVOKED)
+#error "4 as alignment isn't supported by the compiler"
+#endif /* defined(__GNUC__) || defined(__SUNPRO_CC) ; !defined(RC_INVOKED) */
+
+#else /* !defined(__WINE_PSHPACK_H) */
+#error "Nested pushing of alignment isn't supported by the compiler"
+#endif /* !defined(__WINE_PSHPACK_H) */
+