From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 12 Apr 2014 19:45:27 +0000 (+0300)
Subject: Avoid creating looping routes
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=54ab7c88976c860ea729e30a175fbc181f0d68cd;hp=54ab7c88976c860ea729e30a175fbc181f0d68cd;p=r2c2.git

Avoid creating looping routes

If th route went past its end, adding the turnout would cause a loop to
be created.  Trying to add the next track would then throw bad_chain.
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