Be sure to NULL terminate the list of keys...

This commit was SVN r14733.

orte/mca/oob/tcp/oob_tcp.c

@@ -1327,7 +1327,10 @@ int mca_oob_tcp_register_contact_info(void)
 static int get_contact_info(orte_jobid_t job, char **tokens, orte_gpr_notify_data_t **data)
 {
     char *segment;
-    char *keys[] = { ORTE_OOB_TCP_KEY, ORTE_PROC_RML_IP_ADDRESS_KEY};
+    char *keys[] = {
+        ORTE_OOB_TCP_KEY,
+        ORTE_PROC_RML_IP_ADDRESS_KEY,
+        NULL};
     orte_gpr_value_t **values;
     orte_std_cntr_t cnt, i, idx;
     int rc;