sign-compare fix

Remove clause 3 and 4 from TNF licenses

Update includes so that this builds for USE_FORT=no too.

#undef the fortified functions we use, otherwise we end up calling ourselves
recursively.
XXX: Do we need namespace.h here?

Match usage of FORTIFY_SOURCE on other platforms by not requiring special
include path: the normal header files now include the "SSP" ones (which one
should note are not really named right: SSP and F

Match usage of FORTIFY_SOURCE on other platforms by not requiring special
include path: the normal header files now include the "SSP" ones (which one
should note are not really named right: SSP and FORTIFY_SOURCE are independent
features).

Disable USE_SSP on targets where the compiler doesn't support it at all
(mips, alpha) or it's known broken (sh3). But enable FORTIFY_SOURCE,
without SSP, on those platforms -- tested on mipsel.

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Move FORTIFY_SOURCE implementation from the somewhat ill-named "libssp"
(what other systems keep in libssp, we already have in libc) into libc
to match what other systems with FORTIFY_SOURCE do. Goo

Move FORTIFY_SOURCE implementation from the somewhat ill-named "libssp"
(what other systems keep in libssp, we already have in libc) into libc
to match what other systems with FORTIFY_SOURCE do. Goodbye, libssp
dependency in libraries and executables. Discussed with christos and
mrg; Christos will merge the headers to get us the rest of the way to a
FORTIFY_SOURCE implementation that works as others' code expects.

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