Added a newline to test buildbot and mercurial server upgrade.
diff --git a/COPYING b/COPYING
index 81e5209..e61309f 100644
--- a/COPYING
+++ b/COPYING
@@ -17,3 +17,4 @@
 2. Altered source versions must be plainly marked as such, and must not be
    misrepresented as being the original software.
 3. This notice may not be removed or altered from any source distribution.
+