autogen: update 5.18.7_1 bottle for Linuxbrew.
autogen: update 5.18.7_1 bottle for Linuxbrew.

Closes Linuxbrew/homebrew-core#2112.
Signed-off-by: Maxim Belkin <032baa6ccf1d4eaa4536fc4f9b83b9a1f593449a@gmail.com>

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