st/nine: Fix invalid attempt to use indirect draws.
st/nine: Fix invalid attempt to use indirect draws.

Since commit 6d7177f01b231e9fe79a558c28d2b562a218d7ea, radeonsi
would take a different path if info->indirect_params was not
initialized properly.  Nine was not initializating this field.

Signed-off-by: Marek Olšák <8c7344a1abdb103e79ecfd488098373070c3c70e@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler