Eclipse tries to write to systemClasspath - PR 60582

thanks to @ebourg 984a03d1ce

WHATSNEW

@@ -1,6 +1,13 @@
 Changes from Ant 1.9.8 TO Ant 1.9.9
 ===================================
 
+Fixed bugs:
+-----------
+
+ * Ant 1.9.8 made Path#systemClasspath final which broke the Eclipse
+   integration.
+   Bugzilla Report 60582
+
 Changes from Ant 1.9.7 TO Ant 1.9.8
 ===================================
 

src/main/org/apache/tools/ant/types/Path.java

@@ -66,8 +66,9 @@ import org.apache.tools.ant.util.JavaEnvUtils;
 public class Path extends DataType implements Cloneable, ResourceCollection {
     // CheckStyle:VisibilityModifier OFF - bc
 
+    // non-final as some IDE integrations (at least Eclipse) want to override it
     /** The system classpath as a Path object */
-    public static final Path systemClasspath =
+    public static Path systemClasspath = //NOSONAR
         new Path(null, System.getProperty("java.class.path"));