Author: Paul Holden
MDL-68410 mod_scorm: safer status operator comparison.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=796a7ea458883407346eb831de6aa13ee5470217
http://github.com/moodle/moodle/commit/796a7ea458883407346eb831de6aa13ee5470217
+ 3.7 en [invalidstatus,mod_scorm]