General: Amend includes where applicable

lib/Endpoint.cpp

@@ -1,7 +1,13 @@
 #include "jbus/Endpoint.hpp"
 
+#include <cstring>
+
 #define LOG_TRANSFER 0
 
+#if LOG_TRANSFER
+#include <cstdio>
+#endif
+
 namespace jbus {
 
 #define ROUND_UP_8(val) (((val) + 7) & ~7)

lib/Listener.cpp

@@ -1,8 +1,14 @@
 #include "jbus/Listener.hpp"
+
+#include "jbus/Common.hpp"
 #include "jbus/Endpoint.hpp"
 
 #define LOG_LISTENER 0
 
+#if LOG_LISTENER
+#include <cstdio>
+#endif
+
 namespace jbus {
 
 void Listener::listenerProc() {
@@ -94,6 +100,8 @@ std::unique_ptr<Endpoint> Listener::accept() {
   return {};
 }
 
+Listener::Listener() = default;
+
 Listener::~Listener() { stop(); }
 
 } // namespace jbus

lib/Socket.cpp

@@ -1,13 +1,19 @@
 #include "jbus/Socket.hpp"
 
+#include <cstdio>
+#include <cstring>
+
 #ifndef _WIN32
-#include <sys/socket.h>
+#include <cerrno>
+
+#include <arpa/inet.h>
+#include <fcntl.h>
+#include <netdb.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
-#include <arpa/inet.h>
-#include <netdb.h>
+#include <sys/socket.h>
+#include <sys/types.h>
 #include <unistd.h>
-#include <cerrno>
 #else
 #include <WinSock2.h>
 #include <Ws2tcpip.h>