Changes to compile on Mac OS X with fink-installed pgplot,fftw3,...
Merge branch 'osx-fink-support' of github.com:paulray/presto into osx-fink-support

* 'osx-fink-support' of github.com:paulray/presto:
  Changes to compile on Mac OS X with fink-installed pgplot,fftw3,...
  Changes to compile on Mac OS X with fink-installed pgplot,fftw3,...