[mkgmap-dev] Commit: r2606: set preserved flag for the point that connects two lines in the merge-lines method. This prevents some non-routable lines from disappearing at lower resolutions.

Version 2606 was committed by gerd on Mon, 13 May 2013 set preserved flag for the point that connects two lines in the merge-lines method. This prevents some non-routable lines from disappearing at lower resolutions.