Clean up includes a bit

Trying out the IWYU tool to only include what's necessary in a given file.
Seems to work decently (it'll miss some headers, suggest unnecessary ones, and
make nonsense suggestions for some things, but overall gives a good starting
point), and helps clean out some headers.

1 files changed, 17 insertions, 5 deletions

diff --git a/OpenAL32/event.cpp b/OpenAL32/event.cpp
index 2ee296b0..dfffea9f 100644
--- a/OpenAL32/event.cpp
+++ b/OpenAL32/event.cpp
@@ -2,18 +2,30 @@
 #include "config.h"
 
 #include <algorithm>
+#include <atomic>
+#include <cstring>
+#include <exception>
+#include <memory>
+#include <mutex>
+#include <new>
+#include <string>
+#include <thread>
 
-#include "AL/alc.h"
 #include "AL/al.h"
-#include "AL/alext.h"
+#include "AL/alc.h"
 
+#include "alError.h"
 #include "alMain.h"
+#include "albyte.h"
 #include "alcontext.h"
-#include "alError.h"
-#include "alAuxEffectSlot.h"
+#include "alexcpt.h"
+#include "almalloc.h"
+#include "effects/base.h"
+#include "inprogext.h"
+#include "logging.h"
+#include "opthelpers.h"
 #include "ringbuffer.h"
 #include "threads.h"
-#include "alexcpt.h"
 
 
 static int EventThread(ALCcontext *context)