xfrm: fix xfrm_sa_msg_parser() to return the value from the callback
xfrm: fix xfrm_sa_msg_parser() to return the value from the callback

Signed-off-by: Thomas Haller <16e26612e4159990a6b3691e92592e691ff74132@redhat.com>

honsys/libnl,mshirley/libnl,tklauser/libnl,tklauser/libnl,thom311/libnl,honsys/libnl,houstar/libnl,honsys/libnl,dsahern/libnl,HolyShitMan/libnl-1,kolyshkin/libnl,cfriedt/libnl,greearb/libnl-ct,baloo/libnl,kolyshkin/libnl,baloo/libnl,kolyshkin/libnl,tgraf/libnl,tgraf/libnl,mshirley/libnl,tklauser/libnl,cfriedt/libnl,cfriedt/libnl,kolyshkin/libnl,claudelee/libnl,congwang/libnl,dsahern/libnl,baloo/libnl,thom311/libnl,dsahern/libnl,congwang/libnl,HolyShitMan/libnl-1,HolyShitMan/libnl-1,thom311/libnl,HolyShitMan/libnl-1,tklauser/libnl,tgraf/libnl,dsahern/libnl,baloo/libnl,claudelee/libnl,greearb/libnl-ct,congwang/libnl,houstar/libnl,cfriedt/libnl,congwang/libnl,greearb/libnl-ct,mshirley/libnl,tgraf/libnl,houstar/libnl,houstar/libnl,honsys/libnl,claudelee/libnl,claudelee/libnl,mshirley/libnl