Use ip_addr2a. Remove unused str_ip.

(cherry picked from commit c60b4b5)

modules/permissions/address.c

@@ -74,7 +74,7 @@ int reload_address_table(struct pm_part_struct *part_struct)
 	struct address_list **new_hash_table;
 	struct subnet *new_subnet_table;
 	int i, mask, proto, group, port, id;
-    struct ip_addr *ip_addr;
+	struct ip_addr *ip_addr;
 	struct net *subnet;
 	str str_pattern = {NULL,0}, str_info={NULL,0};
 	str str_src_ip, str_proto;
@@ -714,7 +714,7 @@ int check_src_addr_1(struct sip_msg* msg,
 int get_source_group(struct sip_msg* msg, char *arg) {
 	int group = -1;
 	struct ip_addr *ip;
-	str str_ip, partition;
+	str partition;
 	pv_value_t pvt;
 	struct part_pvar *ppv;
 	struct pm_part_struct *ps;
@@ -759,8 +759,8 @@ int get_source_group(struct sip_msg* msg, char *arg) {
 				ip,
 				msg->rcv.src_port);
 		if (group == -1) {
-			LM_DBG("IP <%.*s:%u> not found in any group\n",
-					str_ip.len, str_ip.s, msg->rcv.src_port);
+			LM_DBG("IP <%s:%u> not found in any group\n",
+					ip_addr2a(ip), msg->rcv.src_port);
 			return -1;
 		}
 	}