convert include/svx/frmdirlbox.hxx from String to OUString

Change-Id: Ib7d7a6e62f5fb28664c25fbc96cd3d56bf1797ac

include/svx/frmdirlbox.hxx

@@ -45,7 +45,7 @@ public:
 
     /** Inserts a string with corresponding direction enum into the listbox. */
     void                InsertEntryValue(
-                            const String& rString,
+                            const OUString& rString,
                             SvxFrameDirection eDirection,
                             sal_uInt16 nPos = LISTBOX_APPEND );
     /** Removes the entry, that represents the specified frame direction. */

svx/source/dialog/frmdirlbox.cxx

@@ -62,7 +62,7 @@ extern "C" SAL_DLLPUBLIC_EXPORT Window* SAL_CALL makeFrameDirectionListBox(Windo
 }
 
 
-void FrameDirectionListBox::InsertEntryValue( const String& rString, SvxFrameDirection eDirection, sal_uInt16 nPos )
+void FrameDirectionListBox::InsertEntryValue( const OUString& rString, SvxFrameDirection eDirection, sal_uInt16 nPos )
 {
     sal_uInt16 nRealPos = InsertEntry( rString, nPos );
     SetEntryData( nRealPos, lclEnumToVoid( eDirection ) );