Fixed virtual/use override. panel move fixed.

door.cpp

@@ -968,7 +968,7 @@ std::streamsize Door::xsputn(const char *s, std::streamsize n) {
  * @param c char
  * @return int
  */
-int Door::overflow(char c) {
+int Door::overflow(int c) {
   /*
   char temp[2];
   temp[0] = c;
@@ -978,10 +978,10 @@ int Door::overflow(char c) {
   // buffer.push_back(c);
   // od_disp_emu(temp, TRUE);
   if (debug_capture) {
-    debug_buffer.append(1, c);
+    debug_buffer.append(1, (char)c);
   } else {
     if (!hangup) {
-      std::cout << c;
+      std::cout << (char)c;
       std::cout.flush();
     }
   }

door.h

@@ -192,8 +192,8 @@ public:
 class Door : public std::ostream, private std::streambuf {
 
 private:
-  virtual std::streamsize xsputn(const char *s, std::streamsize n);
-  virtual int overflow(char c);
+  std::streamsize xsputn(const char *s, std::streamsize n) override;
+  int overflow(int c) override;
   std::string doorname;
   void parse_dropfile(const char *filepath);
   void init(void);

panel.cpp

@@ -30,7 +30,7 @@ Panel::Panel(Panel &&ref) {
   border_style = ref.border_style;
   title = std::move(ref.title);
   offset = ref.offset;
-  lines = std::move(lines);
+  lines = std::move(ref.lines);
 }
 
 /*