libnl: fix about 100 warnings

In file included from addr.c:28:
../include/netlink-local.h:119:1: warning: "__deprecated" redefined
In file included from /usr/include/linux/stddef.h:4,
                 from /usr/include/linux/posix_types.h:4,
                 from /usr/include/linux/types.h:8,
                 from ../include/netlink-local.h:37,
                 from addr.c:28:
/usr/include/linux/compiler.h:45:1: warning: this is the location of the previous definition

This happens about 100 times. Suggested patch:
1 file changed