sandbox: Add missing header file

This file uses __aligned so should include the header which defines
that.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/sandbox/include/asm/sections.h b/arch/sandbox/include/asm/sections.h
index 88837bb..5e15774 100644 (file)
--- a/arch/sandbox/include/asm/sections.h
+++ b/arch/sandbox/include/asm/sections.h
@@ -10,6 +10,7 @@
 #define __SANDBOX_SECTIONS_H
 
 #include <asm-generic/sections.h>
+#include <linux/compiler_attributes.h>
 
 struct sandbox_cmdline_option;