.gitignore: Add ctags and cscope files
.gitignore: Add ctags and cscope files

Signed-off-by: Daniel Stone <3d0f3b9ddcacec30c4008c5e030e6c13a478cb4f@fooishbar.org>

sir-murray/wayland,tulcod/wayland,eyolfson/wayland,sir-murray/wayland,abooij/wayland,eyolfson/wayland,tulcod/wayland,mchalupa/wayland,bitfactor/wayland,abooij/wayland,mchalupa/wayland,eyolfson/wayland,tulcod/wayland,mchalupa/wayland,bitfactor/wayland,bitfactor/wayland,sir-murray/wayland,abooij/wayland