Fix xfail for 32-bit hppa*-*-* in gcc.dg/pr84877.c

2024-02-03  John David Anglin  <danglin@gcc.gnu.org>

gcc/testsuite/ChangeLog:

	* gcc.dg/pr84877.c: Adjust xfail parentheses.

gcc/testsuite/gcc.dg/pr84877.c

-/* { dg-do run { xfail { cris-*-* sparc*-*-* } || { { ! lp64 } && hppa*-*-* } } } */
+/* { dg-do run { xfail { { cris-*-* sparc*-*-* } || { { ! lp64 } && hppa*-*-* } } } } */
 /* { dg-options "-O2" } */
 
 #include <inttypes.h>