[U-Boot] [PATCH v3] sandbox: fix compiler warning

[Allen Martin]

Add back return statement to fix compiler warning about control flow
reaching end of non void function that was introduced with:

	e05e5de arm: move C runtime setup code in crt0.S

Signed-off-by: Allen Martin <amartin at nvidia.com>
Acked-by: Simon Glass <sjg at chromium.org>
---
 arch/sandbox/cpu/start.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index 7603bf9..5287fd5 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -122,4 +122,7 @@ int main(int argc, char *argv[])
 	 * never return.
 	 */
 	board_init_f(0);
+
+	/* NOTREACHED - board_init_f() does not return */
+	return 0;
 }
-- 
1.7.10.4