From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 22 Oct 2010 21:08:17 +0000 (+0000)
Subject: Make Route hold non-const Tracks to match Block
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;ds=sidebyside;h=f79b3fd58999a73a4a28663b46fdd96c58167a18;hp=f79b3fd58999a73a4a28663b46fdd96c58167a18;p=r2c2.git

Make Route hold non-const Tracks to match Block
Make several functions take non-const parameters to avoid escaping constness:
- Track::get_endpoint_by_link
- Block::get_endpoint_by_link
- Layout3D::get_track
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