Need to destroy Terminal instance when parent form is destroyed.

src/sbbs3/ctrl/PreviewFormUnit.cpp

@@ -23,6 +23,11 @@ __fastcall TPreviewForm::TPreviewForm(TComponent* Owner)
     Terminal->AutoWrap=true;
     ActiveControl=Terminal;
 }
+//---------------------------------------------------------------------------
+__fastcall TPreviewForm::~TPreviewForm()
+{
+	delete Terminal;
+}
 
 #define ANSI_ESC "\x1b["
 

src/sbbs3/ctrl/PreviewFormUnit.h

@@ -16,6 +16,7 @@ __published:	// IDE-managed Components
 private:	// User declarations
 public:		// User declarations
 	__fastcall TPreviewForm(TComponent* Owner);
+    __fastcall ~TPreviewForm();
     TEmulVT*    Terminal;
     AnsiString 	Filename;
 };

src/sbbs3/ctrl/SpyFormUnit.cpp

@@ -61,6 +61,11 @@ __fastcall TSpyForm::TSpyForm(TComponent* Owner)
     ActiveControl=Terminal;
 }
 //---------------------------------------------------------------------------
+TSpyForm::~TSpyForm()
+{
+	delete Terminal;
+}
+//---------------------------------------------------------------------------
 int __fastcall TSpyForm::strip_telnet(uchar *buf, int len)
 {
     int i;

src/sbbs3/ctrl/SpyFormUnit.h

@@ -80,6 +80,7 @@ public:		// User declarations
     RingBuf**   inbuf;
     RingBuf**   outbuf;
     __fastcall TSpyForm(TComponent* Owner);
+    __fastcall ~TSpyForm();
 };
 //---------------------------------------------------------------------------
 extern PACKAGE TSpyForm *SpyForms[];