c++/4645: -Wall warning for -1 return on signed long does not make sense

[aoliva@gcc.gnu.org]

Synopsis: -Wall warning for -1 return on signed long does not make sense

State-Changed-From-To: open->feedback
State-Changed-By: aoliva
State-Changed-When: Sun Nov 25 09:28:06 2001
State-Changed-Why:
    Could it be the type of PZSTREAM->total_out causing nOldTotal_Out to promote to unsigned long int, and ditto for the ``else'' branch of the ternary operator?

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