Squashed 'canvas.lv2/' changes from b700b88..0263395
Squashed 'canvas.lv2/' changes from b700b88..0263395

0263395 include render_cairo.h in idisp.h.

git-subtree-dir: canvas.lv2
git-subtree-split: 02633952fb6fbbd1cd85242f3eef14e85f39c733

OpenMusicKontrollers/espressivo.lv2