usp10: correct an endless loop in Chaining Contextual Substitution if it is a dead rule

[Aric Stewart]

---
  dlls/usp10/shape.c |   24 ++++++++++++++----------
  1 files changed, 14 insertions(+), 10 deletions(-)


-------------- next part --------------
A non-text attachment was scrubbed...
Name: 3ccfab5195791013b03f81c886ee15334a7b2128.diff
Type: text/x-patch
Size: 1989 bytes
Desc: not available
URL: <http://www.winehq.org/pipermail/wine-patches/attachments/20110614/29505ef8/attachment.bin>