Improve types for psalm

Signed-off-by: Fawzi E. Abdulfattah <[email protected]>

Author: iifawzi

src/Statements/WithStatement.php

@@ -240,7 +240,14 @@ public function parse(Parser $parser, TokensList $list)
 
         // 5 is the only valid end state
         if ($state !== 5) {
-            $parser->error('Unexpected end of WITH CTE.', $list->tokens[$list->idx]);
+             /**
+             * Token parsed at this moment.
+             *
+             * @var Token
+             */
+            $token = $list->tokens[$list->idx];
+
+            $parser->error('Unexpected end of the WITH CTE.', $token);
         }
 
         --$list->idx;