templates/label: minor style improve

Add an empty space to make <span> have width.

templates/repo/issue/list.tmpl

@@ -33,7 +33,7 @@
 				<div class="menu">
 					<a class="item" href="{{$.Link}}?type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_label_no_select"}}</a>
 					{{range .Labels}}
-						<a class="item" href="{{$.Link}}?type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&labels={{.ID}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}"><span class="octicon {{if eq $.SelectLabels .ID}}octicon-check{{end}}"></span><span class="label color" style="background-color: {{.Color}}"></span> {{.Name | Sanitize}}</a>
+						<a class="item" href="{{$.Link}}?type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&labels={{.ID}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}"><span class="octicon {{if eq $.SelectLabels .ID}}octicon-check{{end}}">&nbsp;</span><span class="label color" style="background-color: {{.Color}}"></span> {{.Name | Sanitize}}</a>
 					{{end}}
 				</div>
 			</div>

templates/repo/issue/new_form.tmpl

@@ -41,7 +41,7 @@
 				<div class="filter menu" data-id="#label_ids">
 					<div class="no-select item">{{.i18n.Tr "repo.issues.new.clear_labels"}}</div>
 					{{range .Labels}}
-						<a class="{{if .IsChecked}}checked{{end}} item" href="#" data-id="{{.ID}}" data-id-selector="#label_{{.ID}}"><span class="octicon {{if .IsChecked}}octicon-check{{end}}"></span><span class="label color" style="background-color: {{.Color}}"></span> {{.Name}}</a>
+						<a class="{{if .IsChecked}}checked{{end}} item" href="#" data-id="{{.ID}}" data-id-selector="#label_{{.ID}}"><span class="octicon {{if .IsChecked}}octicon-check{{end}}">&nbsp;</span><span class="label color" style="background-color: {{.Color}}"></span> {{.Name}}</a>
 					{{end}}
 				</div>
 			</div>