Install dnsmasq-utils on precise as well

Change-Id: I1a730d9ffdf934cfcec466d15453dd908b1a58de
diff --git a/files/apts/nova b/files/apts/nova
index f2059ba..66640c5 100644
--- a/files/apts/nova
+++ b/files/apts/nova
@@ -1,5 +1,5 @@
 dnsmasq-base
-dnsmasq-utils # for dhcp_release only available in dist:oneiric
+dnsmasq-utils # for dhcp_release only available in dist:oneiric,precise
 kpartx
 parted
 arping # only available in dist:natty