Better handling of protocol-relative favicons
Better handling of protocol-relative favicons

https://github.com/ArthurHoaro/favicon/pull/6/commits/cd5f98ecdd1d38e8bc5d87fd09c80079a74191ba
https://github.com/FreshRSS/FreshRSS/pull/1504

marienfressinaud/FreshRSS,aledeg/FreshRSS,marienfressinaud/FreshRSS,FreshRSS/FreshRSS,romibi/FreshRSS,FreshRSS/FreshRSS,romibi/FreshRSS,FreshRSS/FreshRSS,aledeg/FreshRSS,marienfressinaud/FreshRSS,marienfressinaud/FreshRSS,Alkarex/FreshRSS,FreshRSS/FreshRSS,aledeg/FreshRSS,aledeg/FreshRSS,Alkarex/FreshRSS,romibi/FreshRSS,Alkarex/FreshRSS,Alkarex/FreshRSS,romibi/FreshRSS