Update Squeak to 3.9-8.
Based on patches by Brian de Alwis in PR pkg/37522.
Don't include aio.h in patch-ak, it is not needed.
Don't require bash for npsqueakrun yet.  There is more work to do to
make the nsqueak plugin work.

Changes since 3.6-3:

*2006-10-10* 3.9-8 released. <release/RELEASE_NOTES_3.9-8> ALSA support
for Linux. Problems with iconv() fixed on Solaris.
*2006-04-24* 3.9-7 released. <release/RELEASE_NOTES_3.9-7>
Modifications to the mechanism the VM uses to relinquish the processor
for very short intervals to avoid high CPU loads while idling.
UUIDPlugin is now external to prevent the VM failing to run when libuuid
is missing or uncooperative. AioPlugin is bundled. Aliases are resolved
in path names on OS X.
*2006-04-19* 3.9-4 released. <release/RELEASE_NOTES_3.9-4> KeyUp events
are no longer reported for autorepeats under X11. Improvements to socket
latency. Security plugin now obeys SQUEAK_USERDIR if set. OSProcess and
XDisplayControl plugins updated from current distributions and bundled.
The 3.9 Unix VMs are now fully compatible with Croquet and will run both
Squeak and Croquet images. Additional plugins required for Croquet are
now supported and bundled in both source and binary releases:
CroquetPlugin, FloatMathPlugin and UUIDPlugin.
*2004-04-06* 3.7-7 released. <release/RELEASE_NOTES_3.7-7>
Documentation updated to reflect recent organisational changes. 'gnuify'
no longer requires gawk. Obscure bug in socket option lookup fixed.
NPSqueak changes from Bert (SQUEAK_USERDIR environment variable
overrides 'My Squeak', plus several bug fixes). Event code updated for
recent changes to event structures. README, manual page, and how-to
documentation updated and revised. Instructions for SVN checkout added.
'Easy build' route for checked-out SVN repository sources added. Browser
plugin now supports imageName and failureUrl attributes within <embed
...> tag. Preliminary support for XDND-based drag-and-drop (Gnome, KDE,
etc.) in the X11 display driver. New flag '-glxdebug <n>' prints OpenGL
diagnostics in X11 display driver. Interpreter should no longer crash
when loading image segments into memory above the 2GB boundary (thanks
to Ned Konz). Additional checks for bad external data in SocketPlugin.
Less inappropriate noise when probing for external plugins. Problems
preventing more than one external plugin from loading in Mac OS X fixed.

(bad)