[PATCH] wbemprox: Fix checking for digit characters.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  dlls/wbemprox/builtin.c          | 6 +++---
  dlls/wbemprox/wbemprox_private.h | 5 +++++
  dlls/wbemprox/wql.y              | 4 ++--
  3 files changed, 10 insertions(+), 5 deletions(-)