Bug#914175: lightning is not installable after binNMUs

[Adrian Bunk]

Package: lightning
Version: 1:60.3.0-1
Severity: serious

 thunderbird : Breaks: lightning (< 1:60.3.0-1+b1) but 1:60.3.0-1 is to be 
installed

lightning is binary-all, ${source:Version} should be used
for Breaks and Recommends.