Update to SCons 1.2.0.

third_party/scons/scons-local/SCons/compat/_scons_itertools.py

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-__revision__ = "src/engine/SCons/compat/_scons_itertools.py 3603 2008/10/10 05:46:45 scons"
+__revision__ = "src/engine/SCons/compat/_scons_itertools.py 3842 2008/12/20 22:59:52 scons"
 
 __doc__ = """
 Implementations of itertools functions for Python versions that don't
 have iterators.
 
 These implement the functions by creating the entire list, not returning
 it element-by-element as the real itertools functions do.  This means
 that early Python versions won't get the performance benefit of using
 the itertools, but we can still use them so the later Python versions
 do get the advantages of using iterators.
@@ skipping 74 matching lines @@
     result = []
     for x in iterable:
         if predicate(x):
             result.append(x)
         else:
             break
     return result
 
 def tee(*args, **kw):
     raise NotImplementedError