add: local variables with default values

Signed-off-by: Kazım SARIKAYA <[email protected]>

Author: kazimsarikaya

lib/redmine_openid_connect/account_controller_patch.rb

@@ -103,6 +103,9 @@ def oic_local_login
           end
         end
 
+        firstname = user_info["given_name"]
+        lastname = user_info["family_name"]
+
         if (firstname.nil? || lastname.nil?) && user_info["name"]
           parts = user_info["name"].split
           if parts.length >= 2