Add bullet about PLPA version update.

This commit was SVN r22368.

NEWS

@@ -49,6 +49,9 @@ Trunk (not on release branches yet)
 1.4.1 (expected)
 ----------------
 
+- Update to PLPA v1.3.2, addressing a licensing issue identified by
+  the Fedora project.  See
+  https://svn.open-mpi.org/trac/plpa/changeset/262 for details.
 - Fix a shared memory "hang" problem that occurred on x86/x86_64
   platforms when used with the GNU >=4.4.x compiler series.
 - Add fix for Libtool 2.2.6b's problems with the PGI 10.x compiler