Corrects missing includes in the SerialBus, Electron Video and Typer.

Machines/Commodore/SerialBus.cpp

@@ -8,6 +8,8 @@
 
 #include "SerialBus.hpp"
 
+#include <cstdio>
+
 using namespace Commodore::Serial;
 
 const char *::Commodore::Serial::StringForLine(Line line) {

Machines/Commodore/SerialBus.hpp

@@ -9,6 +9,8 @@
 #ifndef SerialBus_hpp
 #define SerialBus_hpp
 
+#include <cstdint>
+#include <memory>
 #include <vector>
 
 namespace Commodore {

Machines/Electron/Video.cpp

@@ -8,6 +8,8 @@
 
 #include "Video.hpp"
 
+#include <cstring>
+
 using namespace Electron;
 
 #define graphics_line(v)	((((v) >> 7) - first_graphics_line + field_divider_line) % field_divider_line)

Machines/Utility/Typer.cpp

@@ -7,7 +7,9 @@
 //
 
 #include "Typer.hpp"
-#include <stdlib.h>
+
+#include <cstdlib>
+#include <cstring>
 
 using namespace Utility;