Fix markup in category privileges template

src/views/admin/partials/categories/privileges.tpl

@@ -1,4 +1,5 @@
 					<table class="table table-striped privilege-table">
+						<thead>
 							<tr class="privilege-table-header">
 								<th colspan="2"></th>
 								<th class="arrowed" colspan="3">
@@ -17,6 +18,8 @@
 								<th class="text-center">{privileges.labels.users.name}</th>
 								<!-- END privileges.labels.users -->
 							</tr>
+						</thead>
+						<tbody>
 							<!-- IF privileges.users.length -->
 							<!-- BEGIN privileges.users -->
 							<tr data-uid="{privileges.users.uid}">
@@ -48,9 +51,11 @@
 								</td>
 							</tr>
 							<!-- ENDIF privileges.users.length -->
+						</tbody>
 					</table>
 
 					<table class="table table-striped privilege-table">
+						<thead>
 							<tr class="privilege-table-header">
 								<th colspan="2"></th>
 								<th class="arrowed" colspan="3">
@@ -69,6 +74,8 @@
 								<th class="text-center">{privileges.labels.groups.name}</th>
 								<!-- END privileges.labels.groups -->
 							</tr>
+						</thead>
+						<tbody>
 							<!-- BEGIN privileges.groups -->
 							<tr data-group-name="{privileges.groups.name}" data-private="<!-- IF privileges.groups.isPrivate -->1<!-- ELSE -->0<!-- ENDIF privileges.groups.isPrivate -->">
 								<td>
@@ -96,6 +103,7 @@
 									</div>
 								</td>
 							</tr>
+						</tbody>
 					</table>
 					<div class="help-block">
 						[[admin/manage/categories:privileges.inherit]]