When we have no other MNCC connection but the registeration of the
new fd is failing we should not disable reading from the listen_fd
for ever as the situation might not be permanent.
libosmogsm is a new library that is distributed in the libosmocore.
Now, openbsc depends on it. This patch gets openbsc with this
change.
This patch also rewrites all include path to the new
osmocom/[gsm|core]
Signed-off-by: Pablo Neira Ayuso <pablo@gnumonks.org>