Display string results in the Function Wizard quoted

To distinguish number strings from numeric results.

Change-Id: I68e044e839b2d5d2e87835dd0002f42aa0fc8192
diff --git a/sc/source/ui/formdlg/formula.cxx b/sc/source/ui/formdlg/formula.cxx
index bdd9d25..ac8b336 100644
--- a/sc/source/ui/formdlg/formula.cxx
+++ b/sc/source/ui/formdlg/formula.cxx
@@ -338,13 +338,16 @@ bool ScFormulaDlg::calculateValue( const OUString& rStrExp, OUString& rStrResult
    {
        SvNumberFormatter& aFormatter = *(m_pDoc->GetFormatTable());
        Color* pColor;
        if ( pFCell->IsValue() )
        if (pFCell->IsMatrix())
        {
            rStrResult = pFCell->GetString().getString();
        }
        else if (pFCell->IsValue())
        {
            double n = pFCell->GetValue();
            sal_uLong nFormat = aFormatter.GetStandardFormat( n, 0,
                            pFCell->GetFormatType(), ScGlobal::eLnge );
            aFormatter.GetOutputString( n, nFormat,
                                        rStrResult, &pColor );
            aFormatter.GetOutputString( n, nFormat, rStrResult, &pColor );
        }
        else
        {
@@ -352,6 +355,11 @@ bool ScFormulaDlg::calculateValue( const OUString& rStrExp, OUString& rStrResult
                            pFCell->GetFormatType(), ScGlobal::eLnge);
            aFormatter.GetOutputString( pFCell->GetString().getString(), nFormat,
                                        rStrResult, &pColor );
            // Indicate it's a string, so a number string doesn't look numeric.
            // Escape embedded quotation marks first by doubling them, as
            // usual. Actually the result can be copy-pasted from the result
            // box as literal into a formula expression.
            rStrResult = "\"" + rStrResult.replaceAll( "\"", "\"\"") + "\"";
        }

        ScRange aTestRange;