Update to 4.6 which incorporates a lot of our local patches. There are now
a slew of test suites that can be run by issuing ``make tests'' from the port
directory. They are disabled furing a normal build.
PR: 83345
Submitted by: mi
Add nspr 4.1.2, a platform-neutral API for system level and libc like
functions. I bet Java folks would like it - because this port is required for
Mozilla's Java plugin.