[MacPorts] #28276: arb: Upgrade to 5.2

[MacPorts]

#28276: arb: Upgrade to 5.2
----------------------------------+-----------------------------------------
 Reporter:  matt.cottrell@…       |       Owner:  macports-tickets@…                   
     Type:  update                |      Status:  new                                  
 Priority:  Normal                |   Milestone:                                       
Component:  ports                 |     Version:  1.9.2                                
 Keywords:  libpng                |        Port:  arb                                  
----------------------------------+-----------------------------------------

Comment(by matt.cottrell@…):

 Allow build_arch x86_64 only.  Prompt the user to confirm that build_arch
 is set properly in macports.conf.   User may have forgotten to update
 build_arch after upgrading the OS to a 64-bit version.

-- 
Ticket URL: <https://trac.macports.org/ticket/28276#comment:10>
MacPorts <http://www.macports.org/>
Ports system for Mac OS