[ncmpcpp] use dash instead of underscore in defkey

[~bandali/configs] / .gitmodules

[submodule "pentadactyl/.pentadactyl/colors/pentadactyl-solarized"]
	path = pentadactyl/.pentadactyl/colors/pentadactyl-solarized
	url = https://github.com/claytron/pentadactyl-solarized
[submodule "spacemacs/.emacs.d/private/ZNC.el"]
	path = spacemacs/.emacs.d/private/ZNC.el
	url = https://github.com/sshirokov/ZNC.el