Refactor buck external dependencies

Change-Id: Ia4b99493407eb7d4e893804cba6b944f758f085e
diff --git a/apps/pce/bandwidthmgmt/BUCK b/apps/pce/bandwidthmgmt/BUCK
index d013ca9..c5f0b25 100644
--- a/apps/pce/bandwidthmgmt/BUCK
+++ b/apps/pce/bandwidthmgmt/BUCK
@@ -1,5 +1,6 @@
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
+    '//lib:KRYO',
     '//core/store/serializers:onos-core-serializers',
     '//apps/pcep-api:onos-apps-pcep-api',
 ]
@@ -14,4 +15,4 @@
     category = 'default',
     url = 'http://onosproject.org',
     description = 'PCE Bandwidth Management.',
-)
\ No newline at end of file
+)