jscript: Use single string instance for strings representing NULL BSTR instead of a flag.

[Jacek Caban]

---
 dlls/jscript/jsstr.c   | 27 ++++++++++++++++++++++-----
 dlls/jscript/jsstr.h   |  7 ++++---
 dlls/jscript/jsutils.c | 16 +++++++++-------
 3 files changed, 35 insertions(+), 15 deletions(-)


-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-jscript-Use-single-string-instance-for-strings-repres.diff
Type: text/x-patch
Size: 3855 bytes
Desc: not available
URL: <http://www.winehq.org/pipermail/wine-patches/attachments/20130424/cb2de9d7/attachment-0001.bin>