libnetwork.lib.in: fix support for pkg names containing '+' characters by converting %2B encoding with +

lib/libnetwork.lib.in

@@ -88,6 +88,7 @@ function repository.get_srpm_pckname_from_site() {
       local pckname_from_HTML=($(sed -n "\
 # remove HTML tags --> get a better input
 /<[aA]\+ [hH]\+[rR]\+[eE]\+[fF]\+=\".*\.src\.rpm\"/{
+s|%2B|+|g;
 s|.*<[aA]\+ [hH]\+[rR]\+[eE]\+[fF]\+=\"\([^\"]*\)\".*|\1|
 {/$regexpr/Ip}}" $infile))
       echo "${pckname_from_HTML[*]}"