Update OpenAL-soft to 1.21.1

libs/openal-soft/core/except.h

@@ -0,0 +1,31 @@
+#ifndef CORE_EXCEPT_H
+#define CORE_EXCEPT_H
+
+#include <cstdarg>
+#include <exception>
+#include <string>
+#include <utility>
+
+
+namespace al {
+
+class base_exception : public std::exception {
+    std::string mMessage;
+
+protected:
+    base_exception() = default;
+    virtual ~base_exception();
+
+    void setMessage(const char *msg, std::va_list args);
+
+public:
+    const char *what() const noexcept override { return mMessage.c_str(); }
+};
+
+} // namespace al
+
+#define START_API_FUNC try
+
+#define END_API_FUNC catch(...) { std::terminate(); }
+
+#endif /* CORE_EXCEPT_H */