QUIC: Increase HKDF_MAXBUF to 2048

Author: tmshort

crypto/kdf/hkdf.c

@@ -15,7 +15,7 @@
 #include "internal/cryptlib.h"
 #include "crypto/evp.h"
 
-#define HKDF_MAXBUF 1024
+#define HKDF_MAXBUF 2048
 
 static unsigned char *HKDF(const EVP_MD *evp_md,
                            const unsigned char *salt, size_t salt_len,