signal.h: Don't include gsm_subscriber but rather declare it
diff --git a/openbsc/include/openbsc/signal.h b/openbsc/include/openbsc/signal.h
index 1b974e2..73f3fe3 100644
--- a/openbsc/include/openbsc/signal.h
+++ b/openbsc/include/openbsc/signal.h
@@ -26,7 +26,6 @@
#include <errno.h>
#include <openbsc/gsm_data.h>
-#include <openbsc/gsm_subscriber.h>
#include <osmocore/signal.h>
@@ -118,6 +117,8 @@
S_GLOBAL_SHUTDOWN,
};
+struct gsm_subscriber;
+
struct paging_signal_data {
struct gsm_subscriber *subscr;
struct gsm_bts *bts;