input/Plugin: include cleanup

src/input/InputPlugin.hxx

@@ -20,12 +20,6 @@
 #ifndef MPD_INPUT_PLUGIN_HXX
 #define MPD_INPUT_PLUGIN_HXX
 
-#include "thread/Mutex.hxx"
-#include "thread/Cond.hxx"
-
-#include <stddef.h>
-#include <stdint.h>
-
 #ifdef WIN32
 #include <windows.h>
 /* damn you, windows.h! */
@@ -35,8 +29,9 @@
 #endif
 
 struct ConfigBlock;
+class Mutex;
+class Cond;
 class InputStream;
-struct Tag;
 
 struct InputPlugin {
 	const char *name;

src/input/plugins/AlsaInputPlugin.cxx

@@ -29,6 +29,7 @@
 #include "../InputPlugin.hxx"
 #include "../AsyncInputStream.hxx"
 #include "event/Call.hxx"
+#include "thread/Cond.hxx"
 #include "util/Domain.hxx"
 #include "util/RuntimeError.hxx"
 #include "util/StringCompare.hxx"

src/input/plugins/CurlInputPlugin.cxx

@@ -33,6 +33,7 @@
 #include "event/Call.hxx"
 #include "event/Loop.hxx"
 #include "IOThread.hxx"
+#include "thread/Cond.hxx"
 #include "util/ASCII.hxx"
 #include "util/StringUtil.hxx"
 #include "util/NumberParser.hxx"

src/input/plugins/NfsInputPlugin.cxx

@@ -23,6 +23,7 @@
 #include "../InputPlugin.hxx"
 #include "lib/nfs/Glue.hxx"
 #include "lib/nfs/FileReader.hxx"
+#include "thread/Cond.hxx"
 #include "util/StringCompare.hxx"
 #include "IOThread.hxx"