bdbvu is set as default PDF viewer after installation

[Karl-Philipp Richter]

which doesn't make sense because it can't open PDFs.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: bdbvu 0~svn20100509-1
Uname: Linux 4.2.5-040205-generic x86_64
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
Date: Tue Nov 3 15:31:39 2015
InstallationDate: Installed on 2015-09-14 (49 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MarkForUpload: True
SourcePackage: bdbvu
SystemImageInfo: Error: command ['system-image-cli', '-i'] failed with exit code 2:
UpgradeStatus: Upgraded to wily on 2015-10-23 (11 days ago)

[Benjamin Drung (bdrung)]

bdbdv specifies in its desktop file:

MimeType=application/octet-stream;

The question is: Why are your PDFs detected as application/octet-stream instead of application/pdf?