Added a protected method "recreateSrc" to help task writers who extend

Javac.

PR: 3703
Based on Submission by: bmoriarty@polexis.com


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270090 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/Javac.java

@@ -180,6 +180,16 @@ public class Javac extends MatchingTask {
         return src.createPath();
     }
 
+    /**
+     * Recreate src
+     *
+     * @return a nested src element.
+     */
+    protected Path recreateSrc() {
+        src = null;
+        return createSrc();
+    }
+
     /**
      * Set the source dirs to find the source Java files.
      */