Release to unstable.

debian/changelog

@@ -1,4 +1,4 @@
-cmake (2.8.7-4) UNRELEASED; urgency=low
+cmake (2.8.7-4) unstable; urgency=low
 
   * Backport a bunch of FindPython* related commits from cmake master. It
     is now possible to force a specific python version via command line again.
@@ -15,7 +15,7 @@ cmake (2.8.7-4) UNRELEASED; urgency=low
   * Mark cmake Multi-Arch: foreign. The change was stolen from Ubuntu
     cmake_2.8.7-0ubuntu3 package. Thanks to Steve Langasek.
 
- -- Modestas Vainius <modax@debian.org>  Fri, 16 Mar 2012 22:10:41 +0200
+ -- Modestas Vainius <modax@debian.org>  Fri, 16 Mar 2012 23:49:28 +0200
 
 cmake (2.8.7-3) unstable; urgency=medium