meson: Fix typo.

meson.build:166:21: ERROR:  Unknown method "verson_compare" for a string.

Fixes: c1efa240 ("meson: Add warnings and errors when using ICC")
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
Cc: 18.3 <mesa-stable@lists.freedesktop.org>
(cherry picked from commit be5b271e)