changed version to conform https://wiki.linaro.org/WorkingGroups/PowerManagement/PowerMonthlyCycle

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
diff --git a/debian/changelog b/debian/changelog
index 0fdea2e..3a86e16 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-powerdebug (0.5.0-0ubuntu1) natty; urgency=low
+powerdebug (0.5-2011.06-0) natty; urgency=low
 
   * added tree algorithm
   * a lot of code cleanup