Update coverage to work with Java 11

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop-pdf-images/trunk@1839919 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/jacocoant.jar b/lib/jacocoant.jar
index 3406778..bf9968d 100644
--- a/lib/jacocoant.jar
+++ b/lib/jacocoant.jar
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