XXX AVX procfs

@@ -254,15 +254,11 @@
         case PIOCMAXSIG:
         case PIOCGXREGSIZE:
                 break;
         case PIOCSXREG:         /* set extra registers */
         case PIOCGXREG:         /* get extra registers */
-#if defined(__sparc)
                 thingsize = sizeof (prxregset_t);
-#else
-                thingsize = 0;
-#endif
                 break;
         case PIOCACTION:
                 thingsize = (nsig-1) * sizeof (struct sigaction);
                 break;
         case PIOCGHOLD: