sandbox: Add a prototype for cleanup_before_linux()
This function is defined but has no prototype declaration. Add it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/sandbox/include/asm/u-boot-sandbox.h b/arch/sandbox/include/asm/u-boot-sandbox.h
index bed720c..5707c27 100644
--- a/arch/sandbox/include/asm/u-boot-sandbox.h
+++ b/arch/sandbox/include/asm/u-boot-sandbox.h
@@ -23,4 +23,6 @@
int sandbox_early_getopt_check(void);
int sandbox_main_loop_init(void);
+int cleanup_before_linux(void);
+
#endif /* _U_BOOT_SANDBOX_H_ */