PHP7 Compat updates on the phpseclib

This is a quick fix in advance of the library being updated to
the latest & PHP7 compatible version.

inc/phpseclib/Crypt_AES.php

@@ -164,9 +164,9 @@ class Crypt_AES extends Crypt_Rijndael {
      * @param optional Integer $mode
      * @access public
      */
-    function Crypt_AES($mode = CRYPT_AES_MODE_CBC)
+    function __construct($mode = CRYPT_AES_MODE_CBC)
     {
-        parent::Crypt_Rijndael($mode);
+        parent::__construct($mode);
     }
 
     /**

inc/phpseclib/Crypt_Base.php

@@ -445,7 +445,7 @@ class Crypt_Base {
      * @param optional Integer $mode
      * @access public
      */
-    function Crypt_Base($mode = CRYPT_MODE_CBC)
+    function __construct($mode = CRYPT_MODE_CBC)
     {
         $const_crypt_mode = 'CRYPT_' . $this->const_namespace . '_MODE';
 

inc/phpseclib/Crypt_Hash.php

@@ -143,7 +143,7 @@ class Crypt_Hash {
      * @return Crypt_Hash
      * @access public
      */
-    function Crypt_Hash($hash = 'sha1')
+    function __construct($hash = 'sha1')
     {
         if ( !defined('CRYPT_HASH_MODE') ) {
             switch (true) {

inc/phpseclib/Crypt_Rijndael.php

@@ -699,9 +699,9 @@ class Crypt_Rijndael extends Crypt_Base {
      * @param optional Integer $mode
      * @access public
      */
-    function Crypt_Rijndael($mode = CRYPT_RIJNDAEL_MODE_CBC)
+    function __construct($mode = CRYPT_RIJNDAEL_MODE_CBC)
     {
-        parent::Crypt_Base($mode);
+        parent::__construct($mode);
     }
 
     /**