FOP-2939: Ant only needed at compile time

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1882486 13f79535-47bb-0310-9956-ffa450edef68

fop-events/pom.xml

@@ -35,6 +35,7 @@
       <groupId>org.apache.ant</groupId>
       <artifactId>ant</artifactId>
       <version>${ant.version}</version>
+      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.xmlgraphics</groupId>