Fix template

Author: lunny

templates/repo/header.tmpl

@@ -37,8 +37,9 @@
 						{{end}}
 					</div>
 				</div>
+				{{if .IsMirror}}
 				{{$address := MirrorRemoteAddress $.Context . $.Mirror.GetRemoteName}}
-				{{if .IsMirror}}<div class="fork-flag">{{$.i18n.Tr "repo.mirror_from"}} <a target="_blank" rel="noopener noreferrer" href="{{$address.Address}}">{{$address.Address}}</a></div>{{end}}
+				<div class="fork-flag">{{$.i18n.Tr "repo.mirror_from"}} <a target="_blank" rel="noopener noreferrer" href="{{$address.Address}}">{{$address.Address}}</a></div>{{end}}
 				{{if .IsFork}}<div class="fork-flag">{{$.i18n.Tr "repo.forked_from"}} <a href="{{.BaseRepo.Link}}">{{.BaseRepo.FullName}}</a></div>{{end}}
 				{{if .IsGenerated}}<div class="fork-flag">{{$.i18n.Tr "repo.generated_from"}} <a href="{{.TemplateRepo.Link}}">{{.TemplateRepo.FullName}}</a></div>{{end}}
 			</div>