s/defadvice!/advice-add in comp config block
s/defadvice!/advice-add in comp config block

Part 2 of 811099282.

The latest build of native-comp appears to eagerly load comp very early,
so defadvice! won't be defined when this block runs, causing this error.

hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs