Fixed linux listenserver startup problems

Fixed multiple buffer overruns and memory leaks.

ext/crlib/cr-override.h

@@ -0,0 +1,39 @@
+//
+// YaPB - Counter-Strike Bot based on PODBot by Markus Klinge.
+// Copyright © 2004-2020 YaPB Project <yapb@jeefo.net>.
+//
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <crlib/cr-memory.h>
+#include <crlib/cr-platform.h>
+
+void *operator new (size_t size)  noexcept {
+   return cr::Memory::get <void *> (size);
+}
+
+void *operator new [] (size_t size) noexcept {
+   return cr::Memory::get <void *> (size);
+}
+
+void operator delete (void *ptr) noexcept {
+   cr::Memory::release (ptr);
+}
+
+void operator delete [] (void *ptr) noexcept {
+   cr::Memory::release (ptr);
+}
+
+void operator delete (void *ptr, size_t) noexcept {
+   cr::Memory::release (ptr);
+}
+
+void operator delete [] (void *ptr, size_t) noexcept {
+   cr::Memory::release (ptr);
+}
+
+CR_LINKAGE_C void __cxa_pure_virtual () {
+   cr::plat.abort ("pure virtual function call");
+}