i915: Protect macro argument for TEXTURE_SET()
i915: Protect macro argument for TEXTURE_SET()

TEXTURE_SET() is the only register macro that forgets to wrap the
argument evaluation in parens. Only simple integers are passed to this
macro so there's no bug but sitll it seems prudent to add the
parens.

Reviewed-by: Eric Anholt <96f164ad4d9b2b0dacf8ebee2bb1eeb3aa69adf1@anholt.net>
Signed-off-by: Ville Syrjälä <cd6e8d405ca90be3a03d5427c5b24fbd2d68dcc4@linux.intel.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler