Fix a copy-paste error (cherry-picked from master)

src/tests/junit/org/apache/tools/ant/taskdefs/optional/jdepend/JDependTest.java

@@ -82,7 +82,7 @@ public class JDependTest {
      */
     @Test
     public void testTimeout() {
-        buildRule.executeTarget("fork-xml");
+        buildRule.executeTarget("fork-timeout");
         AntAssert.assertContains("JDepend FAILED - Timed out", buildRule.getLog());
     }