rockchip: mkimage: make RC4 key const
This is read-only data, so mark it as such.
Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/tools/rkcommon.c b/tools/rkcommon.c
index 0db45c2..fab6194 100644
--- a/tools/rkcommon.c
+++ b/tools/rkcommon.c
@@ -154,7 +154,7 @@
static struct spl_params spl_params = { 0 };
-static unsigned char rc4_key[16] = {
+static const unsigned char rc4_key[16] = {
124, 78, 3, 4, 85, 5, 9, 7,
45, 44, 123, 56, 23, 13, 23, 17
};