[PATCH 2/2] ntdll: Use DECLSPEC_HIDDEN for a few more symbols.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  dlls/ntdll/unix/signal_i386.c   |  7 +++++--
  dlls/ntdll/unix/signal_x86_64.c | 10 ++++++++--
  dlls/ntdll/unix/system.c        |  2 +-
  3 files changed, 14 insertions(+), 5 deletions(-)