ports/91499: [maintainer-update] net-mgmt/nagios: Update to 2.0.r1

[Jarrod Sayers]

Strange, I don't.  I'll take a closer look in the morning and will 
update the diff where required.  Thanks for catching that one.  What 
version you running?  4.x, 5.x or 6.0?

checking for main in -liconv... yes
checking for gdImagePng in -lgd (order 1)... no
checking for gdImagePng in -lgd (order 2)... yes

Jarrod.