exynos: fix type-punned pointer build warning
As like the commit
ecc2a097294d ("xf86drm: Fix type-punned pointer
build warning"), this fixes following build warning.
exynos_drm.c: In function 'exynos_handle_event':
exynos_drm.c:420:15: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
e = (struct drm_event *) &buffer[i];
^
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Reviewed-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>