www/nginx: Update fancyindex to 0.4.2
This release contains an important fix which can cause Nginx to crash when a directory contains zero-sized (empty) files. This bug has been present in all previous releases, and all users are strongly encouraged to update to version 0.4.2.
Reportedy by: wosch
Approved by: xxx (mentor)
#Differential Revision: https://reviews.freebsd.org/Dxxxxx