.travis.yml: Fix audit Incorrect file permissions
.travis.yml: Fix audit Incorrect file permissions

Linuxbrew/homebrew-core,maxim-belkin/homebrew-core,forevergenin/homebrew-core,rwhogg/homebrew-core,LinuxbrewTestBot/homebrew-core,LinuxbrewTestBot/homebrew-core,Linuxbrew/homebrew-core,rwhogg/homebrew-core,forevergenin/homebrew-core,maxim-belkin/homebrew-core