[common.wp] Fixed a code analysis warning. (possible double disposal)
[common.wp] Fixed a code analysis warning. (possible double disposal)

ValentinMinder/pocketcampus,ValentinMinder/pocketcampus,ValentinMinder/pocketcampus,ValentinMinder/pocketcampus,ValentinMinder/pocketcampus,ValentinMinder/pocketcampus,ValentinMinder/pocketcampus,ValentinMinder/pocketcampus,ValentinMinder/pocketcampus