exception on div by 0

Change-Id: Id33d6a5e3df5812babd28ebfc65b95ce97219ad3
(cherry picked from commit cf4159e1)
Reviewed-on: https://gerrit.libreoffice.org/17121Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: David Tardon <dtardon@redhat.com>

filter/source/graphicfilter/ipict/ipict.cxx

@@ -1859,6 +1859,7 @@ sal_uLong PictReader::ReadData(sal_uInt16 nOpcode)
 
 void PictReader::ReadPict( SvStream & rStreamPict, GDIMetaFile & rGDIMetaFile )
 {
+    try {
     sal_uInt16          nOpcode;
     sal_uInt8           nOneByteOpcode;
     sal_uLong           nSize, nPercent, nLastPercent;
@@ -1950,6 +1951,10 @@ void PictReader::ReadPict( SvStream & rStreamPict, GDIMetaFile & rGDIMetaFile )
     pPict->SetEndian(nOrigNumberFormat);
 
     if (pPict->GetError()) pPict->Seek(nOrigPos);
+    } catch (...)
+    {
+        rStreamPict.SetError(SVSTREAM_FILEFORMAT_ERROR);
+    }
 }
 
 namespace pict {