Update OpenAL-soft to 1.21.1

libs/openal-soft/Alc/effectslot.cpp

@@ -0,0 +1,25 @@
+
+#include "config.h"
+
+#include "effectslot.h"
+
+#include <stddef.h>
+
+#include "alcontext.h"
+#include "almalloc.h"
+
+
+EffectSlotArray *EffectSlot::CreatePtrArray(size_t count) noexcept
+{
+    /* Allocate space for twice as many pointers, so the mixer has scratch
+     * space to store a sorted list during mixing.
+     */
+    void *ptr{al_calloc(alignof(EffectSlotArray), EffectSlotArray::Sizeof(count*2))};
+    return new(ptr) EffectSlotArray{count};
+}
+
+EffectSlot::~EffectSlot()
+{
+    if(mWetBuffer)
+        mWetBuffer->mInUse = false;
+}