reuse file utils when resolving video path (ios)
Merge pull request #7670 from Wu-Hao/v3

fix readme spellings, added missing files guide for git user
[AUTO][ci skip]: updating cocos2dx_files.json
Fix build for ios
Fix spacing
Merge pull request #7671 from CocosRobot/update_cocosfiles_1407234193

[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #7675 from darkdukey/chore/reuse-file-utils-for-video-path

Chore/reuse file utils for video path