sw_redlinehide_4a: TextFrameIndex goes live

Change-Id: Ie59c09bdc57505e16022c43791d5e65cc233d5b9
(cherry picked from commit aa4f245e)

sw/source/core/inc/TextFrameIndex.hxx

@@ -13,17 +13,13 @@
 #include <sal/types.h>
 #include <o3tl/strong_int.hxx>
 
-#if 0
-typedef o3tl::strong_int<sal_Int32, struct Tag_TextFrameIndex> TextFrameIndex;
-#else
 /**
  * Denotes a character index in a text frame at a layout level, after extent
  * mapping from a text node at a document model level.
  *
  * @see SwTextFrame::MapViewToModelPos().
  */
-typedef sal_Int32 TextFrameIndex;
-#endif
+typedef o3tl::strong_int<sal_Int32, struct Tag_TextFrameIndex> TextFrameIndex;
 
 #endif // INCLUDED_SW_SOURCE_CORE_INC_TEXTFRAMEINDEX_HXX