Added note about RTLD_NEXT.

This commit was SVN r20344.

NEWS

@@ -38,6 +38,8 @@ Trunk (not on release branches yet)
 1.3.1
 -----
 
+- Added a configure check for RTLD_NEXT in order to better support systems
+  that don't have it.  Thanks to Gustavo Seabra for the bug report.
 - Fixed missing MPI_Comm_accept.3 man page; fixed minor issue in
   orterun.1 man page.  Thanks to Dirk Eddelbuettel for identifying the
   problem and submitting a patch.