[ONOS-4703,4704] SONA : Floating IP handling in SONA initialization

Generates flow rules for existing Floating IPs when SONA is initialized.

Change-Id: I0cb86345600c3cf3ee72fca176ae6d82e7a8cc36
diff --git a/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingManager.java b/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingManager.java
index b37df09..7f543a0 100644
--- a/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingManager.java
+++ b/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingManager.java
@@ -374,7 +374,7 @@
 
         openstackPort.securityGroups().stream().forEach(sgId -> {
             if (!securityGroupMap.containsKey(sgId)) {
-                securityGroupMap.put(sgId, openstackService.getSecurityGroup(sgId));
+                securityGroupMap.put(sgId, openstackService.securityGroup(sgId));
             }
         });
     }