[PATCH] kconfig: improve error handling in the parser

Add a few error tokens to the parser to catch common errors and print more
descriptive error messages.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 91491d0..ca02eb42 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -70,7 +70,7 @@
 
 /* menu.c */
 void menu_init(void);
-void menu_add_menu(void);
+struct menu *menu_add_menu(void);
 void menu_end_menu(void);
 void menu_add_entry(struct symbol *sym);
 void menu_end_entry(void);