String to OUString, mark as const

Change-Id: Id5ab789b3518a23ccef6f3a13f852c478a129089
diff --git a/sw/source/core/txtnode/txtatr2.cxx b/sw/source/core/txtnode/txtatr2.cxx
index e5464dc..659a756 100644
--- a/sw/source/core/txtnode/txtatr2.cxx
+++ b/sw/source/core/txtnode/txtatr2.cxx
@@ -139,9 +139,9 @@ SwCharFmt* SwTxtINetFmt::GetCharFmt()
            SetVisitedValid( true );
        }
        sal_uInt16 nId;
        const String& rStr = IsVisited() ? rFmt.GetVisitedFmt()
        const OUString rStr = IsVisited() ? rFmt.GetVisitedFmt()
                                           : rFmt.GetINetFmt();
        if( rStr.Len() )
        if( !rStr.isEmpty() )
            nId = IsVisited() ? rFmt.GetVisitedFmtId() : rFmt.GetINetFmtId();
        else
            nId = static_cast<sal_uInt16>(IsVisited() ? RES_POOLCHR_INET_VISIT : RES_POOLCHR_INET_NORMAL);
@@ -258,14 +258,14 @@ SwCharFmt* SwTxtRuby::GetCharFmt()
    if( !rFmt.GetText().isEmpty() )
    {
        const SwDoc* pDoc = GetTxtNode().GetDoc();
        const String& rStr = rFmt.GetCharFmtName();
        sal_uInt16 nId = RES_POOLCHR_RUBYTEXT;
        if ( rStr.Len() )
            nId = rFmt.GetCharFmtId();
        const OUString rStr = rFmt.GetCharFmtName();
        const sal_uInt16 nId = rStr.isEmpty()
                             ? static_cast<sal_uInt16>(RES_POOLCHR_RUBYTEXT)
                             : rFmt.GetCharFmtId();

        // JP 10.02.2000, Bug 72806: dont modify the doc for getting the
        //              correct charstyle.
        bool bResetMod = !pDoc->IsModified();
        const bool bResetMod = !pDoc->IsModified();
        Link aOle2Lnk;
        if( bResetMod )
        {