Missing @since tags

...after 8cc8ffdb04f9915c5b7dddd619ef89762c7a40c2 "[API CHANGE] Add PopupRequest
- a callback to open a pop-up win. in calc"

Change-Id: I94be25141fdc415c8cc45c8a2f1be9ee69d23f2c
diff --git a/offapi/com/sun/star/chart2/data/PopupRequest.idl b/offapi/com/sun/star/chart2/data/PopupRequest.idl
index bd49c69c..f83ccc0 100644
--- a/offapi/com/sun/star/chart2/data/PopupRequest.idl
+++ b/offapi/com/sun/star/chart2/data/PopupRequest.idl
@@ -24,7 +24,7 @@ module chart2
module data
{

/**
/** @since LibreOffice 5.4
 */
service PopupRequest
{
diff --git a/offapi/com/sun/star/chart2/data/XDataReceiver.idl b/offapi/com/sun/star/chart2/data/XDataReceiver.idl
index 9238bba..abfbc83 100644
--- a/offapi/com/sun/star/chart2/data/XDataReceiver.idl
+++ b/offapi/com/sun/star/chart2/data/XDataReceiver.idl
@@ -89,6 +89,8 @@ interface XDataReceiver : ::com::sun::star::uno::XInterface
    XRangeHighlighter getRangeHighlighter();

    /** A callback object to execute a foreign popup menu window.

        @since LibreOffice 5.4
    */
    XPopupRequest getPopupRequest();
};