Fix missing dependency - was tripping up sonar

Change-Id: Ia05b157bce33044dcd13e7598a2949ea467b61c4
diff --git a/providers/ospf/cfg/BUCK b/providers/ospf/cfg/BUCK
index c884550..83c5e19 100644
--- a/providers/ospf/cfg/BUCK
+++ b/providers/ospf/cfg/BUCK
@@ -1,5 +1,6 @@
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
+    '//lib:JACKSON',
     '//protocols/ospf/api:onos-protocols-ospf-api',
 ]