Log Message:
Update libstatgrab to 0.16.

Pkgsrc changes:
 * try to fix build failure on recent NetBSD, reported in PR 41178.
 * set LICENSE=gnu-gpl-v2
 * marked as DESTDIR ready

libstatgrab NEWS:

libstatgrab 0.16 (13 March 2008)
 * Fix saidar build on Solaris with Sun's compiler.
 * Add support for FreeBSD 8.0.
 * Fix build on "armel" Debian port.
     (Thanks to Riku Voipio and Martin Guy)
 * Fix statgrab-make-mrtg-config on machines with no swap.
     (Thanks to Tom Carlson)

libstatgrab 0.15 (14 July 2007)
 * Fix breakages in memory stats on OpenBSD that were introduced in
   the last release.
     (Thanks to David Love)
 * Update internal string functions and some related cleanups.
     (Thanks to David Love)
 * Fix compile warning on FreeBSD.

libstatgrab 0.14 (08 January 2007)
 * Fix memory stats on OpenBSD.
 * Add colour support to saidar.
     (Thanks to Angelina Carlton)
 * Fix CPU stats on Solaris - swap and iowait were incorrectly reported.
 * Fix kstat related memory leaks on Solaris.
     (Thanks to Javier Donaire)
 * Fix network stats on some unusual Solaris setups.
 * Fix process time_spent on Linux.
     (Thanks to Fred Barnes)
 * Make interface up status check the link status as well.
     (Thanks to Michelangelo Vassallo)
 * Fix build on NetBSD 3.
     (Thanks to Wijnand Wiersma)
 * Rework curses detection code in the configure script.
 * Fix bug that caused saidar to crash when the window was rapidly resized.

libstatgrab 0.13 (19 March 2006)
 * Fix build problems with recent linux kernels.
 * Make saidar truncate disk/inteface/mount names to fit in display.
 * Add WIN32 support using MINGW (not widely tested).
 * Fix network interface up/down status on Solaris.
 * Add extern "C" to header file to make linking with C++ code easier.
 * Fix statgrab to cope with filesystem paths containing dots.
 * Make NFS a legal filesystem type on all platforms.
 * A few minor build fixes.