Add missing forward reference to _LOADER_GRAPHICS_INFORMATION_BLOCK structure

sdk/xtdk/xtstruct.h

@@ -192,6 +192,7 @@ typedef struct _LDR_DATA_TABLE_ENTRY LDR_DATA_TABLE_ENTRY, *PLDR_DATA_TABLE_ENTR
 typedef struct _LIST_ENTRY LIST_ENTRY, *PLIST_ENTRY;
 typedef struct _LIST_ENTRY32 LIST_ENTRY32, *PLIST_ENTRY32;
 typedef struct _LIST_ENTRY64 LIST_ENTRY64, *PLIST_ENTRY64;
+typedef struct _LOADER_GRAPHICS_INFORMATION_BLOCK LOADER_GRAPHICS_INFORMATION_BLOCK, *PLOADER_GRAPHICS_INFORMATION_BLOCK;
 typedef struct _LOADER_INFORMATION_BLOCK LOADER_INFORMATION_BLOCK, *PLOADER_INFORMATION_BLOCK;
 typedef struct _LOADER_MEMORY_MAPPING LOADER_MEMORY_MAPPING, *PLOADER_MEMORY_MAPPING;
 typedef struct ALIGN(16) _M128 M128, *PM128;