ipbt: Depends on ncurses for Linuxbrew
ipbt: Depends on ncurses for Linuxbrew

Fix the error: ncurses.h: No such file or directory

Closes Linuxbrew/homebrew-core#3126.

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

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