Upgrade dri-9.1.7_3,2 to dri-9.1.7_4,2

[Jos Chrispijn]

   Just to inform you that there is something going wrong updating this
   port update:
   --- cut ---
     CC       lp_rast_tri.lo
   lp_rast_debug.c: In function 'lp_scene_bin_size':
   lp_rast_debug.c:320: warning: passing argument 1 of 'lp_scene_get_bin'
   discards qualifiers from pointer target type
     CC       lp_scene.lo
   In file included from lp_rast_tri.c:143:
   ../../../../src/gallium/auxiliary/util/u_sse.h:180: warning:
   '__artificial__' attribute directive ignored
   ../../../../src/gallium/auxiliary/util/u_sse.h: In function
   'mm_mullo_epi32':
   ../../../../src/gallium/auxiliary/util/u_sse.h:206: note: use
   -flax-vector-conversions to permit conversions between vectors with
   differing element types or numbers of subparts
   ../../../../src/gallium/auxiliary/util/u_sse.h:206: error: incompatible
   type for argument 1 of '__builtin_ia32_psrlqi128'
   ../../../../src/gallium/auxiliary/util/u_sse.h:207: error: incompatible
   type for argument 1 of '__builtin_ia32_psrlqi128'
   gmake[4]: *** [lp_rast_tri.lo] Error 1
   gmake[4]: *** Waiting for unfinished jobs....
   gmake[4]: Leaving directory
   `/usr/ports/graphics/dri/work/Mesa-9.1.7/src/gallium/drivers/llvmpipe'
   gmake[3]: *** [all-recursive] Error 1
   gmake[3]: Leaving directory
   `/usr/ports/graphics/dri/work/Mesa-9.1.7/src/gallium/drivers'
   gmake[2]: *** [all-recursive] Error 1
   gmake[2]: Leaving directory
   `/usr/ports/graphics/dri/work/Mesa-9.1.7/src/gallium'
   gmake[1]: *** [all-recursive] Error 1
   gmake[1]: Leaving directory
   `/usr/ports/graphics/dri/work/Mesa-9.1.7/src'
   gmake: *** [all-recursive] Error 1
   ===> Compilation failed unexpectedly.
   *** [do-build] Error code 1
   Stop in /usr/ports/graphics/dri.
   ===>>> make failed for graphics/dri
   ===>>> Aborting update
   ===>>> Update for graphics/dri failed
   ===>>> Aborting update
   ===>>> Killing background jobs
   Terminated
   ===>>> Exiting
   --- cut ---
   can you tell me how to solve this?
   Thanks & BR,
   Jos Chrispijn