Fixes one of the most subtle bugs in Shotwell history; closes #3870.
Fixes one of the most subtle bugs in Shotwell history; closes #3870.
jof/shotwell,jimbonator/shotwell,jof/shotwell,h4ck3rm1k3/shotwell,Sanva/shotwell-gsoc,ritchiewilson/shotwell,damianmoore/shotwell,polymeris/shotwell,h4ck3rm1k3/shotwell,abrauchli/shotwell,polymeris/shotwell,ritchiewilson/shotwell,ritchiewilson/shotwell,damianmoore/shotwell,polymeris/shotwell,jimbonator/shotwell,Sanva/shotwell-gsoc,abrauchli/shotwell,damianmoore/shotwell,h4ck3rm1k3/shotwell,jof/shotwell,abrauchli/shotwell,jimbonator/shotwell,Sanva/shotwell-gsoc