[Qt] add ui signal for banlist changes

src/rpcnet.cpp

@@ -12,6 +12,7 @@
 #include "protocol.h"
 #include "sync.h"
 #include "timedata.h"
+#include "ui_interface.h"
 #include "util.h"
 #include "utilstrencodings.h"
 #include "version.h"
@@ -531,6 +532,8 @@ UniValue setban(const UniValue& params, bool fHelp)
     }
 
     DumpBanlist(); //store banlist to disk
+    uiInterface.BannedListChanged();
+
     return NullUniValue;
 }
 
@@ -577,6 +580,8 @@ UniValue clearbanned(const UniValue& params, bool fHelp)
 
     CNode::ClearBanned();
     DumpBanlist(); //store banlist to disk
+    
+    uiInterface.BannedListChanged();
 
     return NullUniValue;
 }