fix problems during ribbon data sort#3235

Merged

thomasp85 merged 2 commits intotidyverse:masterfrom

thomasp85:geom-ribbon-sort

Apr 30, 2019

Commits on Apr 11, 2019

fix problems during ribbon data sort
thomasp85
committed

Commits on Apr 30, 2019

Update R/geom-ribbon.r
thomasp85
authored