Resync the NEWS file with 1.2.7 changes.

This commit was SVN r18711.

NEWS

@@ -117,6 +117,8 @@ Trunk (not on release branches yet)
 1.2.7 (not released yet)
 -----
 
+- Fix a bug in the AMD64 atomics assembly.  Thanks to Gabriele Fatigati
+  for the bug report and bugfix.  See ticket #1351.
 - Fix a gather and scatter bug on intercommunicators when the datatype
   being moved is 0 bytes. See ticket #1331.
 - Some more man page fixes from the Debian maintainers.