(#3245) Make a language string translatable.

Signed-off-by: Nigel McNie <nigel@catalyst.net.nz>

htdocs/api/xmlrpc/lib.php

@@ -1191,18 +1191,14 @@ class OpenSslRepo {
         $dn["commonName"] = preg_replace(':/$:', '', $dn["commonName"]);
 
         if (!$new_key = openssl_pkey_new()) {
-            throw new ConfigException('Could not generate a new SSL key. Are '
-                . 'you sure that both openssl and the PHP module for openssl are '
-                . 'installed on this machine?');
+            throw new ConfigException(get_string('errorcouldnotgeneratenewsslkey', 'auth'));
         }
 
         if (!$csr_rsc = openssl_csr_new($dn, $new_key, array('private_key_bits',2048))) {
             // This behaviour has been observed once before, on an ubuntu hardy box. 
             // The php5-openssl package was installed but somehow openssl 
             // wasn't.
-            throw new ConfigException('Could not generate a new SSL key. Are '
-                . 'you sure that both openssl and the PHP module for openssl are '
-                . 'installed on this machine?');
+            throw new ConfigException(get_string('errorcouldnotgeneratenewsslkey', 'auth'));
         }
         $selfSignedCert = openssl_csr_sign($csr_rsc, null, $new_key, 365 /*days*/);
         unset($csr_rsc); // Free up the resource

htdocs/lang/en.utf8/auth.php

@@ -61,6 +61,7 @@ $string['application'] = 'Application';
 $string['cantretrievekey'] = 'An error occurred while retrieving the public key from the remote server.<br>Please ensure that the Application and WWW Root fields are correct, and that networking is enabled on the remote host.';
 
 $string['errorcertificateinvalidwwwroot'] = 'This certificate claims to be for %s, but you are trying to use it for %s.';
+$string['errorcouldnotgeneratenewsslkey'] = 'Could not generate a new SSL key. Are you sure that both openssl and the PHP module for openssl are installed on this machine?';
 $string['errnoauthinstances']   = 'We don\'t seem to have any authentication plugin instances configured for the host at %s';
 $string['errornotvalidsslcertificate'] = 'This is not a valid SSL Certificate';
 $string['errnoxmlrpcinstances'] = 'We don\'t seem to have any XMLRPC authentication plugin instances configured for the host at %s';