Mark types that have no inheritors as final.

src/channels.cpp

@@ -242,7 +242,7 @@ const Channel::ModeList &Channel::GetModes() const
 }
 
 template<typename F, typename S>
-struct second
+struct second final
 {
 	S operator()(const std::pair<F, S> &p)
 	{

src/main.cpp

@@ -41,7 +41,7 @@ time_t Anope::CurTime = time(NULL);
 
 size_t Anope::CurrentUplink = -1;
 
-class UpdateTimer
+class UpdateTimer final
 	: public Timer
 {
 public:
@@ -53,7 +53,7 @@ public:
 	}
 };
 
-class ExpireTimer
+class ExpireTimer final
 	: public Timer
 {
 public:

src/modes.cpp

@@ -39,7 +39,7 @@ static std::vector<ChannelModeStatus *> ChannelModesByStatus;
 /* Number of generic modes we support */
 unsigned ModeManager::GenericChannelModes = 0, ModeManager::GenericUserModes = 0;
 
-struct StackerInfo
+struct StackerInfo final
 {
 	/* Modes to be added */
 	std::list<std::pair<Mode *, Anope::string> > AddModes;
@@ -300,7 +300,7 @@ void StackerInfo::AddMode(Mode *mode, bool set, const Anope::string &param)
 	list->emplace_back(mode, param);
 }
 
-static class ModePipe
+static class ModePipe final
 	: public Pipe
 {
 public:
@@ -580,7 +580,7 @@ const std::vector<ChannelModeStatus *> &ModeManager::GetStatusChannelModesByRank
 	return ChannelModesByStatus;
 }
 
-static struct StatusSort
+static struct StatusSort final
 {
 	bool operator()(ChannelModeStatus *cm1, ChannelModeStatus *cm2) const
 	{

src/uplink.cpp

@@ -17,7 +17,7 @@
 
 UplinkSocket *UplinkSock = NULL;
 
-class ReconnectTimer
+class ReconnectTimer final
 	: public Timer
 {
 public:

src/win32/pthread/pthread.cpp

@@ -8,7 +8,7 @@
 
 #include "pthread.h"
 
-struct ThreadInfo
+struct ThreadInfo final
 {
 	void *(*entry)(void *);
 	void *param;

src/win32/sigaction/sigaction.h

@@ -18,7 +18,7 @@
 # define SIGPIPE -1
 #endif
 
-struct sigaction
+struct sigaction final
 {
 	void (*sa_handler)(int);
 	int sa_flags;

src/win32/windows.cpp

@@ -18,7 +18,7 @@
 #include <sys/types.h>
 #include <fcntl.h>
 
-static struct WindowsLanguage
+static struct WindowsLanguage final
 {
 	Anope::string languageName;
 	USHORT windowsLanguageName;