use ascii chars

Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>

src/auth.c

@@ -1279,7 +1279,7 @@ int _handle_component_auth(xmpp_conn_t *conn)
         return XMPP_EINT;
     }
 
-    /* Feed the session id and passphrase to the algorithm.
+    /* Feed the session id and passphrase to the algorithm.
      * We need to compute SHA1(session_id + passphrase)
      */
     crypto_SHA1_Init(&mdctx);

src/stanza.c

@@ -1213,8 +1213,8 @@ int xmpp_stanza_del_attribute(xmpp_stanza_t *stanza, const char *name)
 }
 
 /** Create a stanza object in reply to another.
- *  This function makes a copy of a stanza object with the attribute “to” set
- *  its original “from”.
+ *  This function makes a copy of a stanza object with the attribute "to" set
+ *  its original "from".
  *  The stanza will have a reference count of one, so the caller does not
  *  need to clone it.
  *