[PATCH] kconfig: stricter error checking for .config

Add some more checks during the parsing of .config, so that after parsing
sym_change_count reflects the correct state whether the .config is correct and
in sync with the Kconfig or if it needs saving.

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>

scripts/kconfig/lkc.h

@@ -61,7 +61,6 @@ char *zconf_curname(void);
 
 /* confdata.c */
 extern const char conf_def_filename[];
-extern char conf_filename[];
 
 char *conf_get_default_confname(void);