Fix default constructor

request_reenroll was reporting garbage data because it was not
initialized when used with the default constructor.

Change-Id: Ifd06e008fe058aee8bbe9f34d1cdb4ac75c7a636
diff --git a/gatekeeper_messages.cpp b/gatekeeper_messages.cpp
index c803666..fc76d5e 100644
--- a/gatekeeper_messages.cpp
+++ b/gatekeeper_messages.cpp
@@ -199,6 +199,7 @@
 }
 
 VerifyResponse::VerifyResponse() {
+    request_reenroll = false;
     memset_s(&auth_token, 0, sizeof(auth_token));
 };