crond: fix the case when option -d is disabled

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

miscutils/crond.c

@@ -861,7 +861,8 @@ int crond_main(int argc UNUSED_PARAM, char **argv)
 
 	/* "-b after -f is ignored", and so on for every pair a-b */
 	opt_complementary = "f-b:b-f:S-L:L-S" IF_FEATURE_CROND_D(":d-l")
-			":l+:d+"; /* -l and -d have numeric param */
+			/* -l and -d have numeric param */
+			":l+" IF_FEATURE_CROND_D(":d+");
 	opts = getopt32(argv, "l:L:fbSc:" IF_FEATURE_CROND_D("d:"),
 			&G.log_level, &G.log_filename, &G.crontab_dir_name
 			IF_FEATURE_CROND_D(,&G.log_level));