Only configure -smalloc in -L mode.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@4780 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/varnishd.c

@@ -593,8 +593,10 @@ main(int argc, char * const *argv)
 
 	if (L_arg) {
 		/* Learner mode */
-		if (!s_arg_given)
+		if (!s_arg_given) {
 			setup_storage("malloc,1m");
+			s_arg_given = 1;
+		}
 	}
 
 	if (argc != 0) {