Fixes an issue where context-clicking the Trash would cause a segfault. Closes #3507.
Fixes an issue where context-clicking the Trash would cause a segfault. Closes #3507.

damianmoore/shotwell,abrauchli/shotwell,polymeris/shotwell,h4ck3rm1k3/shotwell,jof/shotwell,polymeris/shotwell,Sanva/shotwell-gsoc,ritchiewilson/shotwell,ritchiewilson/shotwell,damianmoore/shotwell,jof/shotwell,Sanva/shotwell-gsoc,damianmoore/shotwell,jimbonator/shotwell,h4ck3rm1k3/shotwell,polymeris/shotwell,abrauchli/shotwell,abrauchli/shotwell,jimbonator/shotwell,Sanva/shotwell-gsoc,jimbonator/shotwell,ritchiewilson/shotwell,h4ck3rm1k3/shotwell,jof/shotwell