usp10: use a bsearch function to find a glyph in the LogClust array

[Aric Stewart]

a partial fix for Bug 24204
---
  dlls/usp10/opentype.c       |    7 +++-
  dlls/usp10/shape.c          |   60 
+++++++++++++++++-------------------------
  dlls/usp10/usp10.c          |   52 +++++++++++++++++++++++++++++++++---
  dlls/usp10/usp10_internal.h |    2 +
  4 files changed, 78 insertions(+), 43 deletions(-)


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