ncurses: Depends on gpatch for Linuxbrew  (#2938)
ncurses: Depends on gpatch for Linuxbrew  (#2938)

Fix the error:
ncurses-6.0-20160910-patch.sh: line 16: patch: command not found
Linuxbrew/homebrew-core,maxim-belkin/homebrew-core,maxim-belkin/homebrew-core,LinuxbrewTestBot/homebrew-core,rwhogg/homebrew-core,Linuxbrew/homebrew-core,rwhogg/homebrew-core,LinuxbrewTestBot/homebrew-core