- Remove check-build.sh as the memory leaks are fixed now

- Avoid possible problems pointed out by a gcc warning about overflow
in arraysubscript, that is use full size of structure Namval as
well as access this area at position 0

- Update to 2012-02-14 of ksh93u+ which includes the real fix for
the IFS crash, the ulimit, and the mem leaks (bnc#743244, bnc#744355,
bnc#744589, and bnc#744992) as well as other fixes like:
12-02-14 A bug in which ^Z did not stop a pipeline when the last component
was a shell built-in has been fixed.
12-02-14 getconf("PATH") used to initialize ed(1) path.
12-02-13 +In earlier version read from standard input would fail when called
from the KEYBD trap. Now read options -N, -n, and -t should work
when called from a KEYBD trap.
12-02-13 If FCEDIT is not set and fc is invoked without the -e option,
ed will be invoked if found instead of /bin/ed.
12-02-10 Another bug in the saving and restoring of IFS in a subshell
that caused a core dump has been fixed.
12-02-08 A bug in which .sh.fun disciplines could be cleared after a
function completes has been fixed.
12-02-08 A bug in job control in which the foregroup process group was not
set correctly after restarting a stopped pipeline has been fixed.
12-02-07 A bug in which numbers with leading zeros could be treated as
octal constants outside of ((...)) has been fixed.
12-02-06 A bug in arithmetic with compound variables containing multiple
array elements has been fixed.
libast:
12-02-10 sfvprintf.c: fix 1 byte too long buffer access
12-02-07 malloc.c/features/vmalloc: add gnu __malloc_hook tests