changes for v1.10.16

Author: ashnazg

src/PEAR.php

@@ -49,7 +49,9 @@
 $GLOBALS['_PEAR_shutdown_funcs']         = array();
 $GLOBALS['_PEAR_error_handler_stack']    = array();
 
-@ini_set('track_errors', true);
+if(function_exists('ini_set')) {
+    @ini_set('track_errors', true);
+}
 
 /**
  * Base class for other PEAR classes.  Provides rudimentary