Fix ash exec (noted by Arne Bernin).
diff --git a/applets.c b/applets.c
index ca2de87..ffa806e 100644
--- a/applets.c
+++ b/applets.c
@@ -99,7 +99,7 @@
 	if (recurse_level == 1) {
 		run_applet_by_name("busybox", argc, argv);
 	}
-	recurse_level = 0;
+	recurse_level--;
 }