patch to prevent the same image being inserted multiple times into pdf graphics Submitted by:	Paul Reavis <preavis@partnersoft.com>
patch to prevent the same image being inserted multiple times
into pdf graphics
Submitted by:	Paul Reavis <preavis@partnersoft.com>


git-svn-id: 102839466c3b40dd9c7e25c0a1a6d26afc40150a@194834 13f79535-47bb-0310-9956-ffa450edef68

chunlinyao/fop,chunlinyao/fop,chunlinyao/fop,apache/fop,chunlinyao/fop,apache/fop,apache/fop,chunlinyao/fop,apache/fop,apache/fop