erlang: Fix SSL certificate problem for Linuxbrew
erlang: Fix SSL certificate problem for Linuxbrew

Fix curl: (60) SSL certificate problem: unable to get local issuer certificate
See https://github.com/Linuxbrew/brew/issues/275

Closes Linuxbrew/homebrew-core#1919.

Signed-off-by: Shaun Jackman <b580dab3251a9622aba3803114310c23fdb42900@gmail.com>

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