[PATCH v2] ntdll: Don't use inline assembly in do_cpuid.

[Jacek Caban]

Avoids problems on old GCC.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51862
Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
v2: add DECLSPEC_HIDDEN

  dlls/ntdll/unix/system.c | 34 ++++++++++++++++++++++++++++++----
  1 file changed, 30 insertions(+), 4 deletions(-)