NODE.DAB is opened read-only.

src/sbbs3/ctrl/NodeFormUnit.cpp

@@ -123,7 +123,7 @@ void __fastcall TNodeForm::TimerTick(TObject *Sender)
 
     if(nodedab<1) {
     	nodedab=_sopen(AnsiString(MainForm->CtrlDirectory+"NODE.DAB").c_str()
-        	,O_RDWR|O_BINARY|O_CREAT, SH_DENYNONE, S_IREAD|S_IWRITE);
+        	,O_RDONLY|O_BINARY|O_CREAT, SH_DENYNONE, S_IREAD|S_IWRITE);
 		if(nodedab==-1) {
 		    ListBox->Items->Clear();
         	ListBox->Items->Add("Error opening NODE.DAB");