Add one entry to the NEWS file's 1.2.3 section.

This commit was SVN r14941.

NEWS

@@ -29,9 +29,6 @@ version 1.0.
 Trunk (not on release branches yet)
 -----------------------------------
 
-- Use _NSGetEnviron instead of environ on Mac OS X so that there
-  are no undefined symbols in the shared libraries.
-  --> Expected 1.2.3
 - Fix problem with optional Fortran types to be correctly initialized.
   --> Expected ?1.2.x?
 - Release tarballs now use Autoconf 2.61 and Automake 1.10.
@@ -60,6 +57,8 @@ Trunk (not on release branches yet)
 1.2.3
 -----
 
+- Use _NSGetEnviron instead of environ on Mac OS X so that there
+  are no undefined symbols in the shared libraries.
 - On OS X, when MACOSX_DEPLOYMENT_TARGET is 10.3 or higher, support
   building the Fortran 90 bindings as a shared library.  Thanks to
   Jack Howarth for his advice on making this work.