libc/eglibc: Split changeset 3052:06b663f297 into eglibc/libc and eglibc/ports patches

crosstool-ng's glibc patche is made against glibc/libc sub-dir.
changeset 3052:06b663f297 is against glibc top-dir. it needs to split.

Signed-off-by: "Jang, Bongseo" <graycells@gmail.com>
[yann.morin.1998@free.fr: fix the ports patches depth]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-ID: <5040c8e83e35618361dc.1348370890@localhost.localdomain>
PatchWork-ID: 186177

 --- trunk/src/acos.c	2009/12/08 16:49:43	733

 +++ trunk/src/acos.c	2009/12/09 20:51:38	734

 @@ -188,10 +188,7 @@

    else

      rnd_im = rnd_im == GMP_RNDU ? GMP_RNDD

        : rnd_im == GMP_RNDD ? GMP_RNDU

 -#if MPFR_VERSION_MAJOR >= 3

 -      : rnd_im == GMP_RNDA ? GMP_RNDZ

 -#endif

 -      : rnd_im;

 +      : rnd_im; /* both RNDZ and RNDA map to themselves for -asin(z) */

    rnd1 = RNDC(GMP_RNDN, rnd_im);

    mpfr_init2 (pi_over_2, p);

    for (;;)