Update OpenAL-soft to 1.23.1-bc7cb17.

libs/openal-soft/al/eax/exception.h

@@ -0,0 +1,18 @@
+#ifndef EAX_EXCEPTION_INCLUDED
+#define EAX_EXCEPTION_INCLUDED
+
+#include <stdexcept>
+#include <string>
+#include <string_view>
+
+
+class EaxException : public std::runtime_error {
+    static std::string make_message(std::string_view context, std::string_view message);
+
+public:
+    EaxException(std::string_view context, std::string_view message);
+    ~EaxException() override;
+}; // EaxException
+
+
+#endif // !EAX_EXCEPTION_INCLUDED