Clean up includes and forward declarations

According to include-what-you-use 0.22 on LLVM 18, anyway.  Most of the changes
seem vaguely reasonable, so as usual, just go with what the tool says because
it's most useful when reports are typically clean.

11 files changed, 8 insertions, 6 deletions

diff --git a/src/server/BlockImpl.cpp b/src/server/BlockImpl.cpp
index d4285832..cae6b252 100644
--- a/src/server/BlockImpl.cpp
+++ b/src/server/BlockImpl.cpp
@@ -25,7 +25,6 @@
 
 #include "lv2/urid/urid.h"
 #include "raul/Array.hpp"
-#include "raul/Maid.hpp"
 #include "raul/Symbol.hpp"
 
 #include <cassert>
diff --git a/src/server/ClientUpdate.cpp b/src/server/ClientUpdate.cpp
index c69f5b49..167cd294 100644
--- a/src/server/ClientUpdate.cpp
+++ b/src/server/ClientUpdate.cpp
@@ -27,6 +27,7 @@
 #include "ingen/Forge.hpp"
 #include "ingen/Interface.hpp"
 #include "ingen/URIs.hpp"
+#include "raul/Path.hpp"
 
 #include <boost/intrusive/slist.hpp>
 
diff --git a/src/server/NodeImpl.cpp b/src/server/NodeImpl.cpp
index c76c66d4..f771d953 100644
--- a/src/server/NodeImpl.cpp
+++ b/src/server/NodeImpl.cpp
@@ -27,6 +27,10 @@
 #include <map>
 #include <utility>
 
+namespace raul {
+class Symbol;
+}
+
 namespace ingen::server {
 
 NodeImpl::NodeImpl(const ingen::URIs&  uris,
diff --git a/src/server/SocketListener.cpp b/src/server/SocketListener.cpp
index 075d78cc..a3139660 100644
--- a/src/server/SocketListener.cpp
+++ b/src/server/SocketListener.cpp
@@ -28,6 +28,7 @@
 
 #include <poll.h>
 #include <sys/stat.h>
+#include <sys/types.h>
 #include <unistd.h>
 
 #include <cerrno>
diff --git a/src/server/Task.hpp b/src/server/Task.hpp
index 30941f28..c665c16f 100644
--- a/src/server/Task.hpp
+++ b/src/server/Task.hpp
@@ -17,7 +17,6 @@
 #ifndef INGEN_ENGINE_TASK_HPP
 #define INGEN_ENGINE_TASK_HPP
 
-#include <algorithm>
 #include <atomic>
 #include <cassert>
 #include <deque>
diff --git a/src/server/UndoStack.hpp b/src/server/UndoStack.hpp
index 8195920a..8954f05d 100644
--- a/src/server/UndoStack.hpp
+++ b/src/server/UndoStack.hpp
@@ -24,7 +24,6 @@
 #include "server.h"
 #include "sratom/sratom.h"
 
-#include <algorithm>
 #include <cstdint>
 #include <cstdio>
 #include <cstdlib>
diff --git a/src/server/events/CreateBlock.cpp b/src/server/events/CreateBlock.cpp
index 0ad050f2..7f50411c 100644
--- a/src/server/events/CreateBlock.cpp
+++ b/src/server/events/CreateBlock.cpp
@@ -40,7 +40,6 @@
 #include "ingen/URIs.hpp"
 #include "ingen/World.hpp"
 #include "ingen/paths.hpp"
-#include "lilv/lilv.h"
 #include "raul/Path.hpp"
 #include "raul/Symbol.hpp"
 
diff --git a/src/server/events/Delete.cpp b/src/server/events/Delete.cpp
index bcebe2ba..b42f0652 100644
--- a/src/server/events/Delete.cpp
+++ b/src/server/events/Delete.cpp
@@ -40,7 +40,6 @@
 #include "ingen/World.hpp"
 #include "ingen/paths.hpp"
 #include "raul/Array.hpp"
-#include "raul/Maid.hpp"
 #include "raul/Path.hpp"
 
 #include <cassert>
diff --git a/src/server/events/Delta.cpp b/src/server/events/Delta.cpp
index 11a0b0ff..3f9e3b9d 100644
--- a/src/server/events/Delta.cpp
+++ b/src/server/events/Delta.cpp
@@ -47,7 +47,6 @@
 #include "lilv/lilv.h"
 #include "raul/Path.hpp"
 
-#include <algorithm>
 #include <memory>
 #include <mutex>
 #include <set>
diff --git a/src/server/events/DisconnectAll.cpp b/src/server/events/DisconnectAll.cpp
index 87df61a5..e429e0e6 100644
--- a/src/server/events/DisconnectAll.cpp
+++ b/src/server/events/DisconnectAll.cpp
@@ -32,6 +32,7 @@
 #include "ingen/Node.hpp"
 #include "ingen/Status.hpp"
 #include "ingen/Store.hpp"
+#include "raul/Path.hpp"
 
 #include <memory>
 #include <mutex>
diff --git a/src/server/events/Get.cpp b/src/server/events/Get.cpp
index 385e55f3..ab369c80 100644
--- a/src/server/events/Get.cpp
+++ b/src/server/events/Get.cpp
@@ -36,6 +36,7 @@
 #include <cstdint>
 #include <memory>
 #include <mutex>
+#include <utility>
 
 namespace ingen::server::events {