Fix misspelled resumption_label for CHARSET_EBCDIC

The resumption_label variable when CHARSET_EBCDIC was enabled, was misspelled.
Instead of evaluating to 'res binder' as expected, it evaluated to 'red binder'.

CLA: trivial
Reviewed-by: NKurt Roeckx <kurt@roeckx.be>
Reviewed-by: NMatthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/10396)

(cherry picked from commit 6ed12cec7216c3e81b58f5cafa41775e456feaee)

ssl/statem/extensions.c

@@ -1449,7 +1449,7 @@ int tls_psk_do_binder(SSL *s, const EVP_MD *md, const unsigned char *msgstart,
     unsigned char finishedkey[EVP_MAX_MD_SIZE], tmpbinder[EVP_MAX_MD_SIZE];
     unsigned char *early_secret;
 #ifdef CHARSET_EBCDIC
-    static const unsigned char resumption_label[] = { 0x72, 0x65, 0x64, 0x20, 0x62, 0x69, 0x6E, 0x64, 0x65, 0x72, 0x00 };
+    static const unsigned char resumption_label[] = { 0x72, 0x65, 0x73, 0x20, 0x62, 0x69, 0x6E, 0x64, 0x65, 0x72, 0x00 };
     static const unsigned char external_label[]   = { 0x65, 0x78, 0x74, 0x20, 0x62, 0x69, 0x6E, 0x64, 0x65, 0x72, 0x00 };
 #else
     static const unsigned char resumption_label[] = "res binder";