vendor/libsodium/src/libsodium/include/sodium/crypto_stream_xsalsa20.h in rbnacl-libsodium-1.0.13 vs vendor/libsodium/src/libsodium/include/sodium/crypto_stream_xsalsa20.h in rbnacl-libsodium-1.0.15

@@ -26,9 +26,13 @@
 
 #define crypto_stream_xsalsa20_NONCEBYTES 24U
 SODIUM_EXPORT
 size_t crypto_stream_xsalsa20_noncebytes(void);
 
+#define crypto_stream_xsalsa20_MESSAGEBYTES_MAX SODIUM_SIZE_MAX
+SODIUM_EXPORT
+size_t crypto_stream_xsalsa20_messagebytes_max(void);
+
 SODIUM_EXPORT
 int crypto_stream_xsalsa20(unsigned char *c, unsigned long long clen,
                            const unsigned char *n, const unsigned char *k);
 
 SODIUM_EXPORT