use absolute path instread of canonical path in subant

PR: 30438


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@277091 13f79535-47bb-0310-9956-ffa450edef68

WHATSNEW

@@ -103,6 +103,9 @@ Changes from Ant 1.6.2 to current Ant 1.6 CVS version
 Changes that could break older environments:
 --------------------------------------------
 
+* The subant task used the canonical version of a file path. This
+  has been changed to use the absolute path. Bugzilla 30438.
+
 Other changes:
 --------------
 

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

@@ -253,13 +253,7 @@ public class SubAnt
         }
 
         ant = createAntTask(directory);
-        String antfilename = null;
-        try {
-            antfilename = file.getCanonicalPath();
-        } catch (IOException e) {
-            throw new BuildException(e);
-        }
-
+        String antfilename = file.getAbsolutePath()
         ant.setAntfile(antfilename);
         try {
             ant.execute();