util: fix multisample_texture_fs_template
It's not the texture function that needs the prefix, it's the sampler.
Fixes: c55e22a5 ("arb_copy_image-formats: avoid undefined behavior")
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
It's not the texture function that needs the prefix, it's the sampler.
Fixes: c55e22a5 ("arb_copy_image-formats: avoid undefined behavior")