kconfig: Remove gperf 3.1+ incompatible kconf_conf_id forward declaration

Forward declaration was unused. gperf 3.1+ changed parameter type from
'unsigned int' to 'size_t'.

diff --git a/tools/kconfig/zconf.gperf b/tools/kconfig/zconf.gperf
index ac498f01b449f43476bd9a97586c359d94eaa9bb..d1ede16a804c177294df887d148ea74a62c4ebde 100644 (file)
--- a/tools/kconfig/zconf.gperf
+++ b/tools/kconfig/zconf.gperf
@@ -9,8 +9,6 @@
 
 struct kconf_id;
 
-static const struct kconf_id *kconf_id_lookup(register const char *str, register unsigned int len);
-
 %%
 mainmenu,      T_MAINMENU,     TF_COMMAND
 menu,          T_MENU,         TF_COMMAND