st/glsl_to_tgsi: enable lower_sqrt() conditionally
st/glsl_to_tgsi: enable lower_sqrt() conditionally

It relies on the force_glsl_abs_sqrt driconf option.

Signed-off-by: Samuel Pitoiset <506e97eed81d9e59d22f4c73fb51123bb62b4a30@gmail.com>
Reviewed-by: Marek Olšák <8c7344a1abdb103e79ecfd488098373070c3c70e@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler