COMPRESS-203 actually, the file name must be fixed after it has been truncated

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/compress/trunk@1426338 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/commons/compress/archivers/tar/TarArchiveOutputStream.java b/src/main/java/org/apache/commons/compress/archivers/tar/TarArchiveOutputStream.java
index 5a7e4a3..bc82e5a 100644
--- a/src/main/java/org/apache/commons/compress/archivers/tar/TarArchiveOutputStream.java
+++ b/src/main/java/org/apache/commons/compress/archivers/tar/TarArchiveOutputStream.java
@@ -454,14 +454,14 @@
     void writePaxHeaders(String entryName,
                          Map<String, String> headers) throws IOException {
         String name = "./PaxHeaders.X/" + stripTo7Bits(entryName);
+        if (name.length() >= TarConstants.NAMELEN) {
+            name = name.substring(0, TarConstants.NAMELEN - 1);
+        }
         while (name.endsWith("/")) {
             // TarEntry's constructor would think this is a directory
             // and not allow any data to be written
             name = name.substring(0, name.length() - 1);
         }
-        if (name.length() >= TarConstants.NAMELEN) {
-            name = name.substring(0, TarConstants.NAMELEN - 1);
-        }
         TarArchiveEntry pex = new TarArchiveEntry(name,
                                                   TarConstants.LF_PAX_EXTENDED_HEADER_LC);