Fix a few misspellings.

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1618)

ssl/ssl_ciph.c

diff --git a/ssl/ssl_ciph.c b/ssl/ssl_ciph.c
index feef184..88b99cc 100644
--- a/ssl/ssl_ciph.c
+++ b/ssl/ssl_ciph.c
@@ -1602,7 +1602,7 @@
     case SSL_aGOST01:
         au = "GOST01";
         break;
-        /* New GOST ciphersuites have both SSL_aGOST12 and SSL_aGOST01 bits */
+    /* New GOST ciphersuites have both SSL_aGOST12 and SSL_aGOST01 bits */
     case (SSL_aGOST12 | SSL_aGOST01):
         au = "GOST12";
         break;

ssl/ssl_lib.c

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index fe17f3d..c25f76f 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -3778,8 +3778,8 @@
 /*
  * Allocates new EVP_MD_CTX and sets pointer to it into given pointer
  * variable, freeing EVP_MD_CTX previously stored in that variable, if any.
- * If EVP_MD pointer is passed, initializes ctx with this md Returns newly
- * allocated ctx;
+ * If EVP_MD pointer is passed, initializes ctx with this md.
+ * Returns the newly allocated ctx;
  */
 
 EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md)

ssl/ssl_locl.h

diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h
index 27bfd9e..c7e7872 100644
--- a/ssl/ssl_locl.h
+++ b/ssl/ssl_locl.h
@@ -1118,7 +1118,7 @@
      * If they are not, the connection should be aborted.
      */
     ssl_ct_validation_cb ct_validation_callback;
-    /* User-supplied argument tha tis passed to the ct_validation_callback */
+    /* User-supplied argument that is passed to the ct_validation_callback */
     void *ct_validation_callback_arg;
     /*
      * Consolidated stack of SCTs from all sources.
@@ -1525,8 +1525,8 @@
     /*
      * Client authentication signature algorithms, if not set then uses
      * conf_sigalgs. On servers these will be the signature algorithms sent
-     * to the client in a cerificate request for TLS 1.2. On a client this
-     * represents the signature algortithms we are willing to use for client
+     * to the client in a certificate request for TLS 1.2. On a client this
+     * represents the signature algorithms we are willing to use for client
      * authentication.
      */
     unsigned int *client_sigalgs;