libc-symbols: add attribute_protected
libc-symbols: add attribute_protected

Definition to use protected visibility.

Signed-off-by: Timo Teras <266f729f1f620250264df63d5dfd302c2a88080e@iki.fi>
Signed-off-by: Austin Foxley <65462a1d10372f5df6b6641242ca623823c369f3@cetoncorp.com>

joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc