[ticket/13808] search_body_form_before

Extensions may be designed to add secondary search options,
such as Google search in the search_body.html.
There are no events in the searchbody, so this should be merged.

PHPBB3-13808

phpBB/styles/subsilver2/template/search_body.html

@@ -2,6 +2,7 @@
 
 <div id="pagecontent">
 
+	<!-- EVENT search_body_form_before -->
 	<form method="get" action="{S_SEARCH_ACTION}">
 	
 	<table class="tablebg" width="100%" cellspacing="1">