Disallow duplicate windows.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/qt/bitcoingui.h b/src/qt/bitcoingui.h
index dd0d4bb0e2..f1b7a502ba 100644
--- a/src/qt/bitcoingui.h
+++ b/src/qt/bitcoingui.h
@@ -28,6 +28,7 @@ class SendCoinsRecipient;
 class UnitDisplayStatusBarControl;
 class WalletFrame;
 class WalletModel;
+class HelpMessageDialog;
 
 class CWallet;
 
@@ -113,6 +114,7 @@ private:
     QMenu *trayIconMenu;
     Notificator *notificator;
     RPCConsole *rpcConsole;
+    HelpMessageDialog *helpMessageDialog;
 
     /** Keep track of previous number of blocks, to detect progress */
     int prevBlocks;