Added tarball location to libobjc2 ANNOUNCE.

ANNOUNCE

@@ -6,12 +6,13 @@ libobjc2).  This runtime was designed to support the features of Objective-C 2
 for use with GNUstep and other Objective-C programs.
 
 You may obtain the code for this release from subversion at the following
-address:
+subversion branch:
 
 svn://svn.gna.org/svn/gnustep/libs/libobjc2/1.0
 
-Source tarballs will be made available shortly after the release and
-distributions are encouraged to provide binary versions.
+Alternatively, a tarball is available from:
+
+http://download.gna.org/gnustep/libobjc2-1.0.tar.bz2
 
 The runtime library is responsible for implementing the core features of the
 object model, as well as exposing introspection features to the user.  The