ncmpcpp: Fix ld: cannot find -liconv for Linuxbrew
ncmpcpp: Fix ld: cannot find -liconv for Linuxbrew

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