Fix one last bug regarding renaming variables from lmax to lwin.
Fix one last bug regarding renaming variables from lmax to lwin.

ioshchepkov/SHTOOLS,SHTOOLS/SHTOOLS,MMesch/SHTOOLS,heroxbd/SHTOOLS,SHTOOLS/SHTOOLS,MarkWieczorek/SHTOOLS,MarkWieczorek/SHTOOLS,heroxbd/SHTOOLS