Fix compile errors

src/audio_core/codec.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <algorithm>
 #include <array>
 #include <cstddef>
 #include <cstring>

src/audio_core/hle/filter.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <algorithm>
 #include <array>
 #include <cstddef>
 #include "audio_core/hle/common.h"

src/audio_core/hle/mixers.cpp

@@ -2,8 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <algorithm>
 #include <cstddef>
-
 #include "audio_core/hle/mixers.h"
 #include "common/assert.h"
 #include "common/logging/log.h"

src/audio_core/interpolate.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <algorithm>
 #include "audio_core/interpolate.h"
 #include "common/assert.h"
 

src/audio_core/time_stretch.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <algorithm>
 #include <chrono>
 #include <cmath>
 #include <vector>