Add assertion/check for NIL key in plNetResManager::IKeyUnreffed()

MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/PubUtilLib/plNetCommon/plNetResManager.cpp

@@ -66,7 +66,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #include "../pnKeyedObject/hsKeyedObject.h"
 #include "../pnFactory/plCreatable.h"
 #include "../pnNetCommon/plNetApp.h"
-#include "hsStream.h" 
+#include "hsStream.h"
 
 plNetResManager::plNetResManager()
 {
@@ -92,11 +92,19 @@ plCreatable* plNetResManager::IReadCreatable(hsStream* s) const
 	return nil;
 }
 
-void plNetResManager::IKeyReffed(plKeyImp* key) 
+void plNetResManager::IKeyReffed(plKeyImp* key)
 {
 }
 
-void plNetResManager::IKeyUnreffed(plKeyImp* key) 
-{ 
-	delete key; 
+void plNetResManager::IKeyUnreffed(plKeyImp* key)
+{
+//   Expanded even with HS_DEBUGGING undefined. XXX
+//	hsAssert( key != nil, "NetResMgr::NIL key to Unref" );
+	if (key == nil) {
+		ErrorAssert(104,
+					"H:\\projects\\OpenURU\\Repo\\Foundry-CWE-ou-minkata\\MOULOpenSourceClientPlugin\\Plasma20\\Sources\\Plasma\\PubUtilLib\\plNetCommon\\plNetResManager.cpp",
+					"NetResMgr::NIL key to Unref");
+	} else {
+		delete key;
+	}
 }