Documentation updates.

diff --git a/include/main.h b/include/main.h
index ef3a94c..2a484b2 100644
--- a/include/main.h
+++ b/include/main.h
@@ -9,6 +9,7 @@
 extern void MAIN_Usage(char*);
 extern BOOL32 MAIN_UserInit(void);
 extern BOOL32 MAIN_WineInit( int *argc, char *argv[] );
+extern int MAIN_GetLanguageID(char*lang, char*country, char*charset, char*dialect);
 
 extern BOOL32 RELAY_Init(void);
 extern void* CALL32_Init(void);