fix changelog for 1:2.00.5-3: no macro and reference fedora bug
    
    https://taskotron.fedoraproject.org/artifacts/all/67f73134-d5de-11e9-9fd9-52540077ca13/tests.yml/rpmgrill.json
    
                {
                   "code" : "ChangelogMacros",
                   "context" : {
                      "excerpt" : [
                         "spec: - Resolves: rhbz#1643920: Removed Obsoletes: <var>%{fontname}</var>-narrow-fonts and Provides: <var>%{fontname}</var>-narrow-fonts macro\nrpm : - Resolves: rhbz#1643920: Removed Obsoletes: <var>liberation</var>-narrow-fonts and Provides: <var>liberation</var>-narrow-fonts macro"
                      ],
                      "lineno" : 197,
                      "path" : "liberation-fonts.spec"
                   },
                   "diag" : "Percent signs (%) in specfile changelog should be escaped"
                }