t_dd_dmatmp: Require HAVE_TRI_STRIPS

Two drivers use this file, and both support triangle strips.

No piglit regressions on i915 (G33) or radeon (Radeon 7500).

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
1 file changed