Fix template error

Author: lunny

templates/repo/settings/branches.tmpl

@@ -25,7 +25,7 @@
 							{{end}}
 						</div>
 					</div>
-					<button class="ui primary button"{{if .Repository.IsEmpty}} disabled"{{end}}>{{ctx.Locale.Tr "repo.settings.branches.update_default_branch"}}</button>
+					<button class="ui primary button"{{if .Repository.IsEmpty}} disabled{{end}}>{{ctx.Locale.Tr "repo.settings.branches.update_default_branch"}}</button>
 				</form>
 			</div>