Fix typos in files in ssl directory

Reviewed-by: NTim Hudson <tjh@openssl.org>
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4052)

ssl/record/rec_layer_s3.c

@@ -347,7 +347,7 @@ int ssl3_write_bytes(SSL *s, int type, const void *buf_, size_t len,
     tot = s->rlayer.wnum;
     /*
      * ensure that if we end up with a smaller value of data to write out
-     * than the the original len from a write which didn't complete for
+     * than the original len from a write which didn't complete for
      * non-blocking I/O and also somehow ended up avoiding the check for
      * this in ssl3_write_pending/SSL_R_BAD_WRITE_RETRY as it must never be
      * possible to end up with (len-tot) as a large number that will then
@@ -942,7 +942,7 @@ int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
             || s->early_data_state == SSL_EARLY_DATA_WRITE_RETRY) {
         /*
          * We haven't actually negotiated the version yet, but we're trying to
-         * send early data - so we need to use the the tls13enc function.
+         * send early data - so we need to use the tls13enc function.
          */
         if (tls13_enc(s, wr, numpipes, 1) < 1)
             goto err;

ssl/s3_cbc.c

@@ -419,8 +419,8 @@ int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx,
              */
             b = constant_time_select_8(is_past_c, 0x80, b);
             /*
-             * If this the the block containing the end of the application
-             * data and we're past the 0x80 value then just write zero.
+             * If this block contains the end of the application data
+             * and we're past the 0x80 value then just write zero.
              */
             b = b & ~is_past_cp1;
             /*

ssl/s3_lib.c

@@ -3790,7 +3790,7 @@ const SSL_CIPHER *ssl3_get_cipher_by_std_name(const char *stdname)
     SSL_CIPHER *tbl = ssl3_ciphers;
     size_t i;
 
-    /* this is not efficient, necessary to optimze this? */
+    /* this is not efficient, necessary to optimize this? */
     for (i = 0; i < SSL3_NUM_CIPHERS; i++, tbl++) {
         if (tbl->stdname == NULL)
             continue;

ssl/ssl_ciph.c

@@ -1365,7 +1365,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK
     ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
                           &tail);
 
-    /* RC4 is sort-of broken -- move the the end */
+    /* RC4 is sort-of broken -- move to the end */
     ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head,
                           &tail);