misc: Remove gsm_subscriber.h from the db.h file
Reduce the dependencies on the header files.
diff --git a/openbsc/include/openbsc/db.h b/openbsc/include/openbsc/db.h
index b028a40..8bf361f 100644
--- a/openbsc/include/openbsc/db.h
+++ b/openbsc/include/openbsc/db.h
@@ -23,7 +23,14 @@
#include <sys/types.h>
-#include <openbsc/gsm_subscriber.h>
+struct gsm_equipment;
+struct gsm_network;
+struct gsm_auth_info;
+struct gsm_auth_tuple;
+struct gsm_sms;
+struct gsm_subscriber;
+
+enum gsm_subscriber_field;
/* one time initialisation */
int db_init(const char *name);