Update OpenAL-soft to 1.21.1

libs/openal-soft/core/bufferline.h

@@ -0,0 +1,14 @@
+#ifndef CORE_BUFFERLINE_H
+#define CORE_BUFFERLINE_H
+
+#include <array>
+
+/* Size for temporary storage of buffer data, in floats. Larger values need
+ * more memory and are harder on cache, while smaller values may need more
+ * iterations for mixing.
+ */
+constexpr int BufferLineSize{1024};
+
+using FloatBufferLine = std::array<float,BufferLineSize>;
+
+#endif /* CORE_BUFFERLINE_H */