Fix libosmo-sigtran dependency
That's follow-up fix for I72819462db0b4656fabaa80731342d06ae91fcdf to
make sure IU builds are properly conditioned.
Change-Id: Idb034bf2ae749204836ab7e02018d769bb242a9f
diff --git a/src/gprs/gtphub_main.c b/src/gprs/gtphub_main.c
index c3e25d5..3f7de50 100644
--- a/src/gprs/gtphub_main.c
+++ b/src/gprs/gtphub_main.c
@@ -39,14 +39,16 @@
#include <osmocom/vty/telnet_interface.h>
#include <osmocom/vty/ports.h>
-#include <osmocom/sigtran/osmo_ss7.h>
-
#include <osmocom/sgsn/debug.h>
#include <osmocom/sgsn/gtphub.h>
#include <osmocom/sgsn/vty.h>
#include "../../bscconfig.h"
+#if BUILD_IU
+#include <osmocom/sigtran/osmo_ss7.h>
+#endif
+
extern void *osmo_gtphub_ctx;
void *tall_bsc_ctx;