Initialize new field RIL_Data_Call_Response_v6.suggestedRetryTime.

Change-Id: Idd3c9665785322a2a3fe013db459d9c8302a48d6
diff --git a/reference-ril/reference-ril.c b/reference-ril/reference-ril.c
index 197f070..02a7e12 100644
--- a/reference-ril/reference-ril.c
+++ b/reference-ril/reference-ril.c
@@ -323,6 +323,7 @@
     int i;
     for (i = 0; i < n; i++) {
         responses[i].status = -1;
+        responses[i].suggestedRetryTime = -1;
         responses[i].cid = -1;
         responses[i].active = -1;
         responses[i].type = "";