#1352: Import no longer hangs when importing nothing but photos already in library.
#1352: Import no longer hangs when importing nothing but photos already in library.


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