[PATCH 5/9] jscript: Store separated flag indicating if current exception value is valid.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  dlls/jscript/engine.c  | 27 ++++++++++++++++++++-------
  dlls/jscript/engine.h  |  2 ++
  dlls/jscript/error.c   |  3 ++-
  dlls/jscript/jscript.c |  6 ++++--
  4 files changed, 28 insertions(+), 10 deletions(-)