Move the code that clears the environment when `-i' is specified, so it that it does not happen until all single-letter options are processed.  This will be important for the -S option, which will be coming soon.
Move the code that clears the environment when `-i' is specified, so it that
it does not happen until all single-letter options are processed.  This will
be important for the -S option, which will be coming soon.

Approved by:	re (blanket `env')

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