idl add missing param description for XStorage and XSvgParser

Change-Id: Id33160c32d38411c5dd5a1a753db2b204865e717
Reviewed-on: https://gerrit.libreoffice.org/4896Reviewed-by: Andras Timar <atimar@suse.com>
Tested-by: Andras Timar <atimar@suse.com>

offapi/com/sun/star/frame/XStorable.idl

@@ -131,6 +131,9 @@ published interface XStorable: com::sun::star::uno::XInterface
             if an IO error occurred during save operation
             (may the location is unknown)
 
+        @param sURL
+            specifies the location where to store the object
+
         @param lArguments
             optional parameters for saving
             (see com::sun::star::document::MediaDescriptor for further details)

offapi/com/sun/star/graphic/XSvgParser.idl

@@ -37,6 +37,9 @@ interface XSvgParser : ::com::sun::star::uno::XInterface
 
         @param xSvgStream
         The file containing the SVG XML data
+
+        @param aAbsolutePath
+        The path containing the SVG XML data
      */
     sequence< XPrimitive2D > getDecomposition(
         [in] io::XInputStream xSvgStream,