Update to SCons 1.2.0.

third_party/scons/scons-local/SCons/Sig.py

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-__revision__ = "src/engine/SCons/Sig.py 3603 2008/10/10 05:46:45 scons"
+__revision__ = "src/engine/SCons/Sig.py 3842 2008/12/20 22:59:52 scons"
 
 __doc__ = """Place-holder for the old SCons.Sig module hierarchy
 
 This is no longer used, but code out there (such as the NSIS module on
 the SCons wiki) may try to import SCons.Sig.  If so, we generate a warning
 that points them to the line that caused the import, and don't die.
 
 If someone actually tried to use the sub-modules or functions within
 the package (for example, SCons.Sig.MD5.signature()), then they'll still
 get an AttributeError, but at least they'll know where to start looking.
@@ skipping 13 matching lines @@
 class MD5Null(SCons.Util.Null):
     def __repr__(self):
         return "MD5Null()"
 
 class TimeStampNull(SCons.Util.Null):
     def __repr__(self):
         return "TimeStampNull()"
 
 MD5 = MD5Null()
 TimeStamp = TimeStampNull()