split libgb into a separate library for outside use
This also removes the dependency to osmo_sock() inside libcommon and
replaces it with osmo_sock_* from libosmocore
diff --git a/openbsc/src/gprs/gb_proxy.c b/openbsc/src/gprs/gb_proxy.c
index 1261ccc..afe793d 100644
--- a/openbsc/src/gprs/gb_proxy.c
+++ b/openbsc/src/gprs/gb_proxy.c
@@ -32,10 +32,11 @@
#include <osmocom/core/talloc.h>
#include <osmocom/core/select.h>
+#include <osmocom/gprs/gprs_ns.h>
+#include <osmocom/gprs/gprs_bssgp.h>
+
#include <openbsc/signal.h>
#include <openbsc/debug.h>
-#include <openbsc/gprs_ns.h>
-#include <openbsc/gprs_bssgp.h>
#include <openbsc/gb_proxy.h>
struct gbprox_peer {