Fixed virtual method not showing up in autocomplete and docs

doc/classes/EditorExportPlugin.xml

@@ -21,6 +21,12 @@
 			<description>
 			</description>
 		</method>
+		<method name="_export_end" qualifiers="virtual">
+			<return type="void">
+			</return>
+			<description>
+			</description>
+		</method>
 		<method name="_export_file" qualifiers="virtual">
 			<return type="void">
 			</return>

editor/editor_export.cpp

@@ -615,6 +615,7 @@ void EditorExportPlugin::_bind_methods() {
 
 	BIND_VMETHOD(MethodInfo("_export_file", PropertyInfo(Variant::STRING, "path"), PropertyInfo(Variant::STRING, "type"), PropertyInfo(Variant::POOL_STRING_ARRAY, "features")));
 	BIND_VMETHOD(MethodInfo("_export_begin", PropertyInfo(Variant::POOL_STRING_ARRAY, "features"), PropertyInfo(Variant::BOOL, "is_debug"), PropertyInfo(Variant::STRING, "path"), PropertyInfo(Variant::INT, "flags")));
+	BIND_VMETHOD(MethodInfo("_export_end"));
 }
 
 EditorExportPlugin::EditorExportPlugin() {