media-libs/lcms: fix threads configure argument

It shouldn't actually matter as it's default on anyway, but
let's revbump to be safe.

Closes: https://bugs.gentoo.org/879299
Fixes: 82e6a754f1
Signed-off-by: Sam James <sam@gentoo.org>

media-libs/lcms/lcms-2.14-r2.ebuild

@@ -35,7 +35,7 @@ src_prepare() {
 
 multilib_src_configure() {
 	local myeconfargs=(
-		--enable-threads
+		--with-threads
 		$(use_with jpeg)
 		$(use_enable static-libs static)
 		$(use_with tiff)