[mythtv] osx-packager.pl breaks after install of fink

[Nigel Pearson]

...
> And on this machine, I've been ultra-careful to avoid installing
> things with fink

	Very wise. I also avoid Apple's X11 for the same reason.

> because the last place I tried to build, the fink
> installations of QT et. al. were getting picked up in various paths
> instead of those downloaded by osx-packager, which was confusing the
> whole process.

	Interesting. Sorry to labour the point, Dave, but are you
sure there are no old traces of an old pkgconfig somewhere?
e.g. Have you done a find / -name pkgconfig?
      Is PKG_CONFIG_PATH perhaps set somewhere?


> I'm pretty sure that all we need is to add
>
>   $ENV{'PKG_CONFIG_PATH'} = "$PREFIX/lib/pkgconfig:" . 
> $ENV{'PKG_CONFIG_PATH'};
>
> to osx-packager.pl

	Excellent idea, although I propose this instead:

$ENV{'PKG_CONFIG_PATH'} = "$PREFIX/lib/pkgconfig";

since we want to force _only_ the packager-generated
third party stuff. I think this will also fix the
original problem in #970 ?


	If no dissent, I will commit this in a day or so.

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