MDL-22060 fixed $a in string to match new rules

AMOS START
 REM fixed $a[] in [auth_fcconnfail,auth_fc]
AMOS END

auth/fc/fcFPP.php

@@ -51,7 +51,7 @@ function open()
     $conn = fsockopen($host, $port, $errno, $errstr, 5);
     if (!$conn)
     {
-        print_error('auth_fcconnfail','auth_fc', '', array($errno, $errstr));
+        print_error('auth_fcconnfail','auth_fc', '', array('no'=>$errno, 'str'=>$errstr));
         return false;
     }
 

auth/fc/lang/en/auth_fc.php

@@ -23,7 +23,7 @@
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
-$string['auth_fcconnfail'] = 'Connection failed with Errno: {$a}[0] and Error String: {$a}[1]';
+$string['auth_fcconnfail'] = 'Connection failed with Errno: {$a->no} and Error String: {$a->str}';
 $string['auth_fccreators'] = 'List of groups whose members are allowed to create new courses. Separate multiple groups with \';\'. Names must be spelled exactly as on FirstClass server. System is case-sensitive.';
 $string['auth_fccreators_key'] = 'Creators';
 $string['auth_fcdescription'] = 'This method uses a FirstClass server to check whether a given username and password is valid.';