The big NULL replacement party part 5.

Right. ' = NULL' would get a lot of these.

src/arch/Threads/Threads_Pthreads.cpp

@@ -215,7 +215,7 @@ static const clockid_t CLOCK_MONOTONIC = 1;
 namespace
 {
 	typedef int (* CONDATTR_SET_CLOCK)( pthread_condattr_t *attr, clockid_t clock_id );
-	CONDATTR_SET_CLOCK g_CondattrSetclock = NULL;
+	CONDATTR_SET_CLOCK g_CondattrSetclock = nullptr;
 	bool bInitialized = false;
 
 #if defined(UNIX)
@@ -230,7 +230,7 @@ namespace
 			return;
 		bInitialized = true;
 
-		void *pLib = NULL;
+		void *pLib = nullptr;
 
 		do {
 			{
@@ -260,10 +260,10 @@ namespace
 			return;
 		} while(0);
 
-		g_CondattrSetclock = NULL;
+		g_CondattrSetclock = nullptr;
 		if( pLib != nullptr )
 			dlclose( pLib );
-		pLib = NULL;
+		pLib = nullptr;
 	}
 #elif defined(MACOSX)
 	void InitMonotonic() { bInitialized = true; }

src/arch/Threads/Threads_Win32.cpp

@@ -7,12 +7,12 @@
 
 const int MAX_THREADS=128;
 
-static MutexImpl_Win32 *g_pThreadIdMutex = NULL;
+static MutexImpl_Win32 *g_pThreadIdMutex = nullptr;
 static void InitThreadIdMutex()
 {
 	if( g_pThreadIdMutex != nullptr )
 		return;
-	g_pThreadIdMutex = new MutexImpl_Win32(NULL);
+	g_pThreadIdMutex = new MutexImpl_Win32(nullptr);
 }
 
 static uint64_t g_ThreadIds[MAX_THREADS];
@@ -55,7 +55,7 @@ int ThreadImpl_Win32::Wait()
 	GetExitCodeThread( ThreadHandle, &ret );
 
 	CloseHandle( ThreadHandle );
-	ThreadHandle = NULL;
+	ThreadHandle = nullptr;
 
 	return ret;
 }
@@ -97,7 +97,7 @@ static DWORD WINAPI StartThread( LPVOID pData )
 	{
 		if( g_ThreadIds[i] == RageThread::GetCurrentThreadID() )
 		{
-			g_ThreadHandles[i] = NULL;
+			g_ThreadHandles[i] = nullptr;
 			g_ThreadIds[i] = 0;
 			break;
 		}
@@ -140,7 +140,7 @@ ThreadImpl *MakeThisThread()
 //		LOG->Warn( werr_ssprintf( GetLastError(), "DuplicateHandle(%p, %p) failed",
 //			CurProc, GetCurrentThread() ) );
 
-		thread->ThreadHandle = NULL;
+		thread->ThreadHandle = nullptr;
 	}
 
 	thread->ThreadId = GetCurrentThreadId();