check for SimpleXML which seems to bw non default on Free BSD

diff --git a/lib/util.php b/lib/util.php
index ae77e16c8a005ca0460f537b7d9a263481574699..6707d67638e68afbf2d8973fb1a296d6b0af32ea 100755 (executable)
--- a/lib/util.php
+++ b/lib/util.php
@@ -287,6 +287,11 @@ class OC_Util {
                        $errors[]=array('error'=>'PHP module zlib is not installed.<br/>','hint'=>'Please ask your server administrator to install the module.');
                        $web_server_restart= false;
                }
+
+               if(!function_exists('simplexml_load_string')) {
+                       $errors[]=array('error'=>'PHP module SimpleXML is not installed.<br/>','hint'=>'Please ask your server administrator to install the module.');
+                       $web_server_restart= false;
+               }
                if(floatval(phpversion())<5.3) {
                        $errors[]=array('error'=>'PHP 5.3 is required.<br/>','hint'=>'Please ask your server administrator to update PHP to version 5.3 or higher. PHP 5.2 is no longer supported by ownCloud and the PHP community.');
                        $web_server_restart= false;