@@ -107,12 +107,13 @@ enum WindowClass {
WC_AI_LIST,
WC_AI_SETTINGS,
WC_NEWGRF_INSPECT,
WC_SPRITE_ALIGNER,
WC_INDUSTRY_CARGOES,
WC_GRF_PARAMETERS,
WC_BUILD_OBJECT,
WC_INVALID = 0xFFFF
};
struct Window;