- should fix some Firebird issues ( can't believe that nobody found this until now )

git-svn-id: file:///svn/phpbb/trunk@6954 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/includes/acp/acp_icons.php

@@ -334,7 +334,17 @@ class acp_icons
 					// The user has already selected a smilies_pak file
 					if ($current == 'delete')
 					{
-						$db->sql_query((($db->sql_layer != 'sqlite') ? 'TRUNCATE TABLE ' : 'DELETE FROM ') . $table);
+						switch ($db->sql_layer)
+						{
+							case 'sqlite':
+							case 'firebird':
+								$db->sql_query('DELETE FROM ' . $table);
+							break;
+
+							default:
+								$db->sql_query('TRUNCATE TABLE ' . $table);
+							break;
+						}
 
 						switch ($mode)
 						{