Fix Kashida justification when there is no Kashida glyph

sw/source/core/text/itradj.cxx

@@ -164,6 +164,10 @@ bool lcl_CheckKashidaPositions( SwScriptInfo& rSI, SwTxtSizeInfo& rInf, SwTxtIte
         xub_StrLen nKashidasInAttr = rSI.KashidaJustify ( 0, 0, nIdx, nNext - nIdx );
         if ( nKashidasInAttr )
         {
+            // Kashida glyph looks suspicious, skip Kashida justification
+            if ( rInf.GetOut()->GetMinKashida() <= 0 )
+                return false;
+
             xub_StrLen nKashidasDropped = 0;
             if ( !SwScriptInfo::IsArabicText( rInf.GetTxt(), nIdx, nNext - nIdx ) )
             {

vcl/generic/glyphs/gcach_ftyp.cxx

@@ -1097,7 +1097,6 @@ void ServerFont::FetchFontMetric( ImplFontMetricData& rTo, long& rFactor ) const
 
     // initialize kashida width
     // TODO: what if there are different versions of this glyph available
-    rTo.mnMinKashida = rTo.mnAscent / 4; // a reasonable default
     const int nKashidaGlyphId = GetRawGlyphIndex( 0x0640 );
     if( nKashidaGlyphId )
     {