Fix a long-standing bug when make(1) is passed the -V and -f options in MAKEFLAGS environment variable, and some of these options are also specified on the command line.
Fix a long-standing bug when make(1) is passed the -V and
-f options in MAKEFLAGS environment variable, and some of
these options are also specified on the command line.

Thanks to:	marcel
Reviewed by:	harti

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