Fix php pragmas example

. is not always in the include_path by default
diff --git a/Examples/php/pragmas/example.i b/Examples/php/pragmas/example.i
index f9307a6..b72828b 100644
--- a/Examples/php/pragmas/example.i
+++ b/Examples/php/pragmas/example.i
@@ -21,7 +21,7 @@
   zend_printf("This was %%rshutdown\n");
 }
 
-%pragma(php) include="include.php";
+%pragma(php) include="./include.php";
 
 %pragma(php) code="
 # This code is inserted into example.php