qdisc/red: Add missing prototypes for rtnl_red_set_limit() and rtnl_red_get_limit()
qdisc/red: Add missing prototypes for rtnl_red_set_limit() and rtnl_red_get_limit()

This fixes the following GCC warnings when compiling with
-Wmissing-prototypes:

  route/qdisc/red.c:136:6: warning: no previous prototype for ‘rtnl_red_set_limit’ [-Wmissing-prototypes]
  route/qdisc/red.c:152:5: warning: no previous prototype for ‘rtnl_red_get_limit’ [-Wmissing-prototypes]

Signed-off-by: Tobias Klauser <9249c549618448e4c699e8032ba6c7f0d7fd4b7f@distanz.ch>

tklauser/libnl,dsahern/libnl,greearb/libnl-ct,greearb/libnl-ct,HolyShitMan/libnl-1,tklauser/libnl,tklauser/libnl,greearb/libnl-ct,dsahern/libnl,dsahern/libnl,thom311/libnl,HolyShitMan/libnl-1,dsahern/libnl,tklauser/libnl,HolyShitMan/libnl-1,thom311/libnl,thom311/libnl,HolyShitMan/libnl-1