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-rw-r--r--include/rc4.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/rc4.h b/include/rc4.h
index c1ff1349d4..d1257f20a4 100644
--- a/include/rc4.h
+++ b/include/rc4.h
@@ -15,6 +15,6 @@
* @len: Length of buffer in bytes
* @key: 16-byte key to use
*/
-void rc4_encode(unsigned char *buf, unsigned int len, unsigned char key[16]);
+void rc4_encode(unsigned char *buf, unsigned int len, const unsigned char key[16]);
#endif