sandbox: Prepare API change for files greater than 2GB

Change the internal sandbox functions to use loff_t for file offsets.

Signed-off-by: Suriyan Ramasami <suriyan.r@gmail.com>

Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/sandbox/cpu/state.c b/arch/sandbox/cpu/state.c
index 59adad6..ba73b7e 100644
--- a/arch/sandbox/cpu/state.c
+++ b/arch/sandbox/cpu/state.c
@@ -49,14 +49,14 @@
 
 static int state_read_file(struct sandbox_state *state, const char *fname)
 {
-	int size;
+	loff_t size;
 	int ret;
 	int fd;
 
-	size = os_get_filesize(fname);
-	if (size < 0) {
+	ret = os_get_filesize(fname, &size);
+	if (ret < 0) {
 		printf("Cannot find sandbox state file '%s'\n", fname);
-		return -ENOENT;
+		return ret;
 	}
 	state->state_fdt = os_malloc(size);
 	if (!state->state_fdt) {