10880 posix_memalign() should avoid clobbering return parameter on failure

*** 77,86 ****
--- 77,88 ----
  [/opt/libc-tests/tests/env-7076.64]
  [/opt/libc-tests/tests/fnmatch.32]
  [/opt/libc-tests/tests/fnmatch.64]
  [/opt/libc-tests/tests/memset_s.32]
  [/opt/libc-tests/tests/memset_s.64]
+ [/opt/libc-tests/tests/posix_memalign.32]
+ [/opt/libc-tests/tests/posix_memalign.64]
  [/opt/libc-tests/tests/printf-6961.64]
  [/opt/libc-tests/tests/printf-9511.32]
  [/opt/libc-tests/tests/printf-9511.64]
  [/opt/libc-tests/tests/priv_gettext]
  [/opt/libc-tests/tests/psignal]