SyncInfoLin: Initialize members

Change-Id: I7d34fe5e353e782896b71c2b68e91b5b94880d60
diff --git a/Source/GmmLib/inc/External/Common/GmmPageTableMgr.h b/Source/GmmLib/inc/External/Common/GmmPageTableMgr.h
index bc73f00..beaed19 100644
--- a/Source/GmmLib/inc/External/Common/GmmPageTableMgr.h
+++ b/Source/GmmLib/inc/External/Common/GmmPageTableMgr.h
@@ -71,8 +71,8 @@
     public:
         HANDLE BBQueueHandle;
         uint64_t BBFence;
-        SyncInfoLin() {}
-        SyncInfoLin(HANDLE Handle, uint64_t Fence) {}
+        SyncInfoLin() : BBQueueHandle(NULL), BBFence(0) {}
+        SyncInfoLin(HANDLE Handle, uint64_t Fence) : BBQueueHandle(Handle), BBFence(Fence) {}
     };
     typedef class SyncInfoLin  SyncInfo;