fix issue

templates/repo/view_file.tmpl

@@ -63,7 +63,7 @@
 					<a class="ui button" href="{{.RepoLink}}/commits/{{EscapePound .BranchNameSubURL}}/{{EscapePound .TreePath}}">{{.i18n.Tr "repo.file_history"}}</a>
 				</div>
 				{{if .Repository.CanEnableEditor}}
-					{{if .CanEditFile}}
+					{{.CanEditFile}}{{if .CanEditFile}}
 						<a href="{{.RepoLink}}/_edit/{{EscapePound .BranchName}}/{{EscapePound .TreePath}}"><span class="btn-octicon poping up"  data-content="{{.EditFileTooltip}}" data-position="bottom center" data-variation="tiny inverted">{{svg "octicon-pencil" 16}}</span></a>
 					{{else}}
 						<span class="btn-octicon poping up disabled" data-content="{{.EditFileTooltip}}" data-position="bottom center" data-variation="tiny inverted">{{svg "octicon-pencil" 16}}</span>