samba: updated the samba package to version 3.3.8

Update the samba package to the new makefile format and also update
it to samba version 3.3.8 (latest 3.3.x version). Based on the
patch from bug 665, but with uclibc dependency and call to
autogen.sh removed.

Tested-By: Sven Neumann <s.neumann@raumfeld.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>