libc/glibc: fix installing syscall.h when installing start-files.
Reported-by: Rafael C <groups.r2@gmail.com>
Reported-by: Jérôme BARDON <bardon.pro@gmail.com>
Reported-by: Daniel Price <daniel.price@gmail.com>
[yann.morin.1998@free.fr: use a conditional approach, also suggested by Daniel]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
1 reporter_name="Kevin Cernekee"
2 reporter_url="http://sourceware.org/ml/crossgcc/2011-09/msg00037.html"
3 reporter_comment="MIPS SDE-compatible toolchain"