buildifier formatting of bazel files

Change-Id: I8196aa52ee640d1c500307a50a0ab4921138b69b
diff --git a/apps/mcast/impl/BUILD b/apps/mcast/impl/BUILD
index 539cac3..5735fc1 100644
--- a/apps/mcast/impl/BUILD
+++ b/apps/mcast/impl/BUILD
@@ -1,6 +1,6 @@
 COMPILE_DEPS = CORE_DEPS + KRYO + [
-    '//core/store/serializers:onos-core-serializers',
-    '//apps/mcast/api:onos-apps-mcast-api'
+    "//core/store/serializers:onos-core-serializers",
+    "//apps/mcast/api:onos-apps-mcast-api",
 ]
 
 osgi_jar(