Log message:
Update to 4.21

Changelog:
NSPR 4.21 contains the following changes:
- Use MAP_SHARED for read-only file mappings on MacOS and Android.
- Changed prbit.h to use builtin function on aarch64.
- Test program build fixes.
- Minor fixes to support unified builds.
- Update library copyright notices.
- Removed Gonk/B2G references.

Log message:
Update to 4.20

Changelog:
NSPR 4.20 contains the following changes:
- Added support for the RISC-V 64-bit target.
- Added support for aarch64 Windows.
- Added support for abstract socket addresses on Linux and Android.
- Fixed a FreeBSD build issue.
- ASAN poisoning functions on Windows no longer use the dllimport
  attribute.

Log message:
Recursive bump for perl5-5.28.0

Log message:
Fix build on NetBSD aarch64

Log message:
Update to 4.29

Changelog:
NSPR 4.19 contains the following changes:
- changed order of shutdown cleanup to avoid a crash on Mac OSX
- build compatibility with Android NDK r16 and glibc 2.26

Log message:
Update to 4.18

Changelog:
NSPR 4.18 contains the following changes:
- removed HP-UX DCE threads support
- improvements for the Windows implementation of PR_SetCurrentThreadName
- fixes for the Windows implementation of TCP Fast Open

Log message:
Fix indentation in buildlink3.mk files.

The actual fix as been done by "pkglint -F */*/buildlink3.mk", and was
reviewed manually.

There are some .include lines that still are indented with zero spaces
although the surrounding .if is indented. This is existing practice.

Log message:
nspr: Remove -zignore ld argument on SunOS.

It interferes with SSP support causing the dependency on libssp to be
dropped.  Bump PKGREVISION.

Log message:
Uodate to 4.17

Changelog:
NSPR 4.17 contains:
* changes to the Windows implementation of the networking code
  required by Firefox 57
* a FreeBSD build fix

Log message:
Update to 4.16

Changelog:
NSPR 4.16 contains various correctness fixes.