kconfig: fix time ordering of writes to .kconfig.d and include/linux/autoconf.h

Since .kconfig.d is used as a make dependency of include/linux/autoconf.h, it
should be written earlier than the header file, to avoid a subsequent rebuild
to consider the header outdated.
Signed-Off-By: NJan Beulich <jbeulich@novell.com>
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>

scripts/kconfig/confdata.c

@@ -374,6 +374,7 @@ int conf_write(const char *name)
 		out_h = fopen(".tmpconfig.h", "w");
 		if (!out_h)
 			return 1;
+		file_write_dep(NULL);
 	}
 	sym = sym_lookup("KERNELVERSION", 0);
 	sym_calc_value(sym);
@@ -512,7 +513,6 @@ int conf_write(const char *name)
 	if (out_h) {
 		fclose(out_h);
 		rename(".tmpconfig.h", "include/linux/autoconf.h");
-		file_write_dep(NULL);
 	}
 	if (!name || basename != conf_def_filename) {
 		if (!name)