Fixed the path to pdfrenderer.jar

debian/ant.properties

@@ -6,7 +6,7 @@ lib.bcmail=bcmail.jar
 lib.bcprov=bcprov.jar
 lib.bctsp=bctsp.jar
 lib.dom4j=dom4j.jar
-lib.pdf-renderer=pdf-renderer.jar
+lib.pdf-renderer=pdfrenderer.jar
 
 itext.jar=../lib/iText.jar
 itext.rtf.jar=../lib/iText-rtf.jar