IPACM: fix KW issue

Fix the handle_del_ipv6_addr function
with non-initialized variable num_v6.

Change-Id: Ifd86b804ed0337936260a5f6479c8aaf11e1a22c
diff --git a/ipacm/src/IPACM_Lan.cpp b/ipacm/src/IPACM_Lan.cpp
index 6085aca..db66628 100644
--- a/ipacm/src/IPACM_Lan.cpp
+++ b/ipacm/src/IPACM_Lan.cpp
@@ -779,7 +779,7 @@
 {
 	uint32_t tx_index;
 	uint32_t rt_hdl;
-	int num_v6, clnt_indx;
+	int num_v6 =0, clnt_indx;
 
 	clnt_indx = get_eth_client_index(data->mac_addr);
 	if (clnt_indx == IPACM_INVALID_INDEX)