[uClibc] Double definition of __libc_current_sigrtXX functions...

[sjhill at realitydiluted.com]

> Having a separate copy living in libpthread is probably the
> greater evil, and thus I think it should really be provided by
> libc, and not by libpthread at all.  I notive that glibc has
> linuxthreads/pt-allocrtsig.c and nptl/pt-allocrtsig.c providing
> thin wrappers over the libc function.  I'm not really sure why
> they bother with that, since if you use libpthread you are going
> to be using libc too...
> 
It is hard to understand the mind of Uli D. and friends for sure. I
will make the change in the uClib-nptl trunk, but hold off on the
mainline.

-Steve