Add startup code to clear the BSS of standalone applications
diff --git a/examples/nios.lds b/examples/nios.lds
index 527eb3a..dd5bfad 100644
--- a/examples/nios.lds
+++ b/examples/nios.lds
@@ -57,4 +57,5 @@
 	}
 	. = ALIGN(4);
 	__bss_end = .;
+	_end = .;
 }