Tests: Fix one more syntax error in fixtures

Author: sirbrillig

VariableAnalysis/Tests/CodeAnalysis/fixtures/UnusedAfterUsedFixture.php

@@ -20,6 +20,6 @@ function inner_function() {
     ) {
         echo $post_id;
         echo $meta_key;
-    }
+    };
     $foo();
 }