Win 98 VFS Fixes (by BirdFlu)

- add ini option to disable UNICODE in VFS (and use the current codepage)
- when UNICODE disabled in VFS, open files with default encoding (instead of UTF8/16) filenames


git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@3118 3b4a5df2-a311-0410-b5c6-a8a6f20db521

VFS/iteratedir.h

@@ -35,7 +35,11 @@ namespace os
 	private:
 	#ifdef WIN32
 		HANDLE fSearchHandle;
-		WIN32_FIND_DATAW	fFileInfo;
+		union
+		{
+			WIN32_FIND_DATAA	fFileInfoA;
+			WIN32_FIND_DATAW	fFileInfoW;
+		};
 	#else
 		struct direct **files;
 		int count, current_pos;