Respect the system include path. This allows system versions of libraries to...

Respect the system include path. This allows system versions of libraries to be used if Mahara doesn't include them - e.g. when being debian packaged.

htdocs/init.php

@@ -36,7 +36,7 @@ if (!empty($_SERVER['MAHARA_LIBDIR'])) {
 else {
     $CFG->libroot = dirname(__FILE__) . '/lib/';
 }
-set_include_path($CFG->libroot . PATH_SEPARATOR . $CFG->libroot . 'pear/');
+set_include_path($CFG->libroot . PATH_SEPARATOR . $CFG->libroot . 'pear/' . PATH_SEPARATOR . get_include_path());
 
 // Set up error handling
 require('errors.php');