Merge branch 'call-abort-in-die' into 'master'

[Common] Call abort() instead of exit() in die()

See merge request !198

emper/Common.cpp

 // SPDX-License-Identifier: LGPL-3.0-or-later
-// Copyright © 2020 Florian Schmaus
+// Copyright © 2020-2021 Florian Schmaus
 #include "Common.hpp"
 
 #include <cstdio>
@@ -12,5 +12,6 @@ void die(const char* message, bool usePerror) {
 	} else {
 		std::cerr << message << std::endl;
 	}
-	exit(EXIT_FAILURE);
+
+	abort();
 }