Fix failure to laod old tempo maps
authornick_m <mainsbridge@gmail.com>
Mon, 22 May 2017 19:30:39 +0000 (05:30 +1000)
committernick_m <mainsbridge@gmail.com>
Mon, 22 May 2017 19:30:39 +0000 (05:30 +1000)
commit1a31134d38b9a88cc83a38f8d0410e23e30e4f40
treef2562d7c7a73e0e2c5b43634b16d33c1a98aedac
parentb3fb75feadf28e35c302149778b544172f808a09
Fix failure to laod old tempo maps

I suspect this happened after an api change.
Now, just use the position pair instead of a whole new variable.
libs/ardour/tempo.cc