Fixed: C++11 forbids to throw exception in destructor

--HG--
branch : develop

code/nel/src/misc/p_thread.cpp

@@ -51,7 +51,10 @@ struct CPMainThread : public CPThread
 	~CPMainThread()
 	{
 		if (pthread_key_delete(threadSpecificKey) != 0)
-			throw EThread("cannot delete thread specific storage key.");
+		{
+			nlwarning("cannot delete thread specific storage key.");
+			// throw EThread("cannot delete thread specific storage key.");
+		}
 	}
 };