use PAX extension headers for ASCII file names in POSIX mode

git-svn-id: https://svn.apache.org/repos/asf/ant/antlibs/compress/trunk@1304718 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/org/apache/ant/compress/taskdefs/Tar.java b/src/main/org/apache/ant/compress/taskdefs/Tar.java
index 175b5f5..4e59d02 100644
--- a/src/main/org/apache/ant/compress/taskdefs/Tar.java
+++ b/src/main/org/apache/ant/compress/taskdefs/Tar.java
@@ -62,6 +62,7 @@
                         o.setLongFileMode(TarArchiveOutputStream.LONGFILE_POSIX);
                         o.setBigNumberMode(TarArchiveOutputStream
                                            .BIGNUMBER_POSIX);
+                        o.setAddPaxHeadersForNonAsciiNames(true);
                     }
                     return o;
                 }