Bug#816451: icedtea-netx: requires jre8 but still alternatively depends on jre7

[ydirson]

Package: icedtea-netx
Version: 1.6.2-2
Severity: serious

On upgrade, jre8 is not pulled, as existing jre7 fulfills the "openjdk-8-jre | 
openjdk-7-jre" dependency