fixed build on linux problems

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40470

core/systems/ForwardSys.h

@@ -84,7 +84,7 @@ protected:
 	/* :TODO: I want a caching list type here.
 	 * Destroying these things and using new/delete for their members feels bad.
 	 */
-	List<IPluginFunction *> m_functions;
+	mutable List<IPluginFunction *> m_functions;
 	List<IPluginFunction *> m_paused;
 
 	/* Type and name information */

core/systems/PluginSys.cpp

@@ -1658,4 +1658,5 @@ void CPluginManager::_SetPauseState(CPlugin *pl, bool paused)
 		pListener = (*iter);
 		pListener->OnPluginPauseChange(pl, paused);
 	}	
-}
+}
+