src-dependencies: don't specify the JPEG version we are looking for.
src-dependencies: don't specify the JPEG version we are looking for.

The non-turbo JPEG has version 9, so it always matches,
and there is no check that we found libjpeg-turbo.
Also, macports default to non--turbo version.
So for now let's just not specify the version.

darktable-org/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,darktable-org/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed