(svn r9922) -Fix (r9914): [YAPF] null pointer dereference.
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		@@ -26,7 +26,7 @@ public:
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	 *  and adds it to the open list by calling Yapf().AddNewNode(n) */
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						 *  and adds it to the open list by calling Yapf().AddNewNode(n) */
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	inline void PfFollowNode(Node& old_node)
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						inline void PfFollowNode(Node& old_node)
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	{
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						{
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		TrackFollower F;
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							TrackFollower F(Yapf().GetVehicle());
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		if (F.Follow(old_node.m_key.m_tile, old_node.m_key.m_td))
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							if (F.Follow(old_node.m_key.m_tile, old_node.m_key.m_td))
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			Yapf().AddMultipleNodes(&old_node, F);
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								Yapf().AddMultipleNodes(&old_node, F);
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	}
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						}
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