VOL-253: grpc-c was crashed if we configured wrong VOLTHA IP address
Fix for grpc-c crash, dying gas alarm, kpis and packet data

Change-Id: I172e64afa0f9e9c1492f4871b6fa7ae3152065cd
diff --git a/device_simulator/client.c.patch b/device_simulator/client.c.patch
index 7de4dd1..c77a281 100644
--- a/device_simulator/client.c.patch
+++ b/device_simulator/client.c.patch
@@ -35,3 +35,15 @@
   
       context = gc_client_prepare_ops(client, mdarray, 1, input, NULL, 
   				    client_streaming, server_streaming, NULL, 
+***************
+--- grpc-c_orig/lib/client.c    2017-09-19 21:08:29.506546198 +0530
++++ grpc-c/lib/client.c 2017-09-19 21:10:52.137702783 +0530
+@@ -967,7 +967,6 @@
+
+     if (*output == NULL) {
+        grpc_c_context_free(context);
+-       gpr_log(GPR_ERROR, "No output to return");
+        rc = GRPC_C_FAIL;
+        goto cleanup;
+     }
+