procstat auxv: print out FXRNG

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

usr.bin/procstat/procstat_auxv.c

@@ -233,6 +233,12 @@ procstat_auxv(struct procstat *procstat, struct kinfo_proc *kipp)
 			xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_PS_STRINGS/%p}\n",
 			    prefix, "AT_PS_STRINGS", auxv[i].a_un.a_ptr);
 			break;
+#endif
+#ifdef AT_FXRNG
+		case AT_FXRNG:
+			xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_FXRNG/%p}\n",
+			    prefix, "AT_FXRNG", auxv[i].a_un.a_ptr);
+			break;
 #endif
 		default:
 			xo_emit("{dw:/%s}{Lw:/%16ld/%ld}{:UNKNOWN/%#lx}\n",