Index: main/config.c
===================================================================
--- main/config.c	(revision 135996)
+++ main/config.c	(working copy)
@@ -1127,7 +1127,8 @@
 	stat(fn, &s);
 	fchmod(fd, s.st_mode);
 	fclose(f);
-	if (unlink(fn) || link(fntmp, fn)) {
+	unlink(fn); 
+	if (link(fntmp, fn)) {
 		if (option_debug)
 			ast_log(LOG_DEBUG, "Unable to open for writing: %s (%s)\n", fn, strerror(errno));
 		if (option_verbose > 1)