Make this string localizable

Change-Id: I074ae2866a67cf90637cd229c717aa999f718558

cui/source/inc/cuires.hrc

@@ -93,6 +93,7 @@
 #define RID_SVXSTR_CHARNAME_FONT            (RID_SVX_START + 241)
 #define RID_SVXSTR_CHARNAME_STYLE           (RID_SVX_START + 242)
 #define RID_SVXSTR_CHARNAME_TYPEFACE        (RID_SVX_START + 243)
+#define RID_SVXSTR_CHARNAME_HIGHLIGHTING    (RID_SVX_START + 244)
 
 // options
 #define RID_SVXSTR_DIAGRAM_ROW                              (RID_SVX_START + 1162)

cui/source/tabpages/backgrnd.cxx

@@ -1533,7 +1533,7 @@ void SvxBackgroundTabPage::PageCreated(const SfxAllItemSet& aSet)
         }
         if ( nFlags & SvxBackgroundTabFlags::SHOW_HIGHLIGHTING )
         {
-            m_pBackGroundColorLabelFT->SetText("Highlighting Color");
+            m_pBackGroundColorLabelFT->SetText(CUI_RES(RID_SVXSTR_CHARNAME_HIGHLIGHTING));
             bHighlighting = true;
         }
     }

cui/source/tabpages/strings.src

@@ -103,6 +103,10 @@ String RID_SVXSTR_CHARNAME_TYPEFACE
 {
     Text [ en-US ] = "Typeface";
 };
+String RID_SVXSTR_CHARNAME_HIGHLIGHTING
+{
+    Text [ en-US ] = "Highlighting Color";
+};
 String RID_SVXSTR_USE_REPLACE
 {
     Text [ en-US ] = "Use replacement table" ;