Fix return-from for session-verify.

pg-sessions.lisp

@@ -167,7 +167,7 @@ will not create a new one."
         (unless (and session-identifier
                      (stringp session-identifier)
                      (plusp (length session-identifier)))
-          (return-from session-verify nil))
+          (return-from hunchentoot:session-verify nil))
         (destructuring-bind (id-string session-string)
             (cl-ppcre:split ":" session-identifier :limit 2)
           (let* ((id (parse-integer id-string))