cmake: Fix https for Linuxbrew
cmake: Fix https for Linuxbrew

Fixes the following problem:
On Linux cmake is built with --no-system-curl instead of --system-curl
which breaks https support.

Closes Linuxbrew/homebrew-core#383.

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

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