Stop instanciating an object to check its class name.

Author: niconoe-

src/Statement.php

@@ -407,12 +407,11 @@ public function parse(Parser $parser, TokensList $list)
             $this->after($parser, $list, $token);
 
             // #223 Here may make a patch, if last is delimiter, back one
-            if ($class !== null) {
-                if ((new $class()) instanceof FunctionCall) {
-                    if ($list->offsetGet($list->idx)->type === Token::TYPE_DELIMITER) {
-                        --$list->idx;
-                    }
-                }
+            // TODO: when not supporting PHP 5.3 anymore, replace this by FunctionCall::class.
+            if ($class === 'PhpMyAdmin\\SqlParser\\Components\\FunctionCall'
+                && $list->offsetGet($list->idx)->type === Token::TYPE_DELIMITER
+            ) {
+                --$list->idx;
             }
         }