float right element needs to be the first element, otherwise firefox will move it to a new line

core/js/share.js

@@ -264,6 +264,7 @@ OC.Share={
 				shareChecked = 'checked="checked"';
 			}
 			var html = '<li style="clear: both;" data-share-type="'+shareType+'" data-share-with="'+shareWith+'">';
+			html += '<a href="#" class="unshare" style="display:none;"><img class="svg" alt="Unshare" src="'+OC.imagePath('core', 'actions/delete')+'"/></a>';
 			html += shareWith;
 			if (possiblePermissions & OC.PERMISSION_CREATE || possiblePermissions & OC.PERMISSION_UPDATE || possiblePermissions & OC.PERMISSION_DELETE) {
 				if (editChecked == '') {
@@ -273,8 +274,7 @@ OC.Share={
 				}
 				html += '<input type="checkbox" name="edit" class="permissions" '+editChecked+' />can edit</label>';
 			}
-			html += '<a href="#" class="showCruds" style="display:none;"><img class="svg" alt="Unshare" src="'+OC.imagePath('core', 'actions/triangle-s')+'"/></a>';
-			html += '<a href="#" class="unshare" style="display:none;"><img class="svg" alt="Unshare" src="'+OC.imagePath('core', 'actions/delete')+'"/></a>';
+			html += '<a href="#" class="showCruds" style="display:none;"><img class="svg" alt="access control" src="'+OC.imagePath('core', 'actions/triangle-s')+'"/></a>';
 			html += '<div class="cruds" style="display:none;">';
 				if (possiblePermissions & OC.PERMISSION_CREATE) {
 					html += '<label><input type="checkbox" name="create" class="permissions" '+createChecked+' data-permissions="'+OC.PERMISSION_CREATE+'" />create</label>';