kbuild/gconf: add dummy inline for bind_textdomain_codeset()

This symbols is used by gconf.
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>

scripts/kconfig/lkc.h

@@ -14,6 +14,7 @@
 static inline const char *gettext(const char *txt) { return txt; }
 static inline void textdomain(const char *domainname) {}
 static inline void bindtextdomain(const char *name, const char *dir) {}
+static inline char *bind_textdomain_codeset(const char *dn, char *c) { return c; }
 #endif
 
 #ifdef __cplusplus