ch: report response message instead of just code

The response message from CH for vm.add-net api will be more helpful in
debugging. Hence, log the message instead of just response code.

Signed-off-by: Purna Pavan Chandra <paekkaladevi@linux.microsoft.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

src/ch/ch_process.c

@@ -665,7 +665,7 @@ chProcessAddNetworkDevices(virCHDriver *driver,
         }
         if (http_res != 204 && http_res != 200) {
             virReportError(VIR_ERR_INTERNAL_ERROR,
-                           _("Unexpected response from CH: %1$d"), http_res);
+                           _("Unexpected response from CH: %1$s"), response);
             return -1;
         }
     }