[3/4] iu_client: hide symbols to prevent clashes

Change-Id: Ide2f7767b90501790a5d609222185918da66336b
---
M src/sgsn/iu_client.c
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/sgsn/iu_client.c b/src/sgsn/iu_client.c
index 0536e8c..1736163 100644
--- a/src/sgsn/iu_client.c
+++ b/src/sgsn/iu_client.c
@@ -79,11 +79,11 @@
 	struct llist_head lac_rac_list;
 };
 
-void *talloc_iu_ctx;
+static void *talloc_iu_ctx;
 
-ranap_iu_recv_cb_t global_iu_recv_cb = NULL;
-ranap_iu_event_cb_t global_iu_event_cb = NULL;
-int iu_log_subsystem = 0;
+static ranap_iu_recv_cb_t global_iu_recv_cb = NULL;
+static ranap_iu_event_cb_t global_iu_event_cb = NULL;
+static int iu_log_subsystem = 0;
 
 #define LOGPIU(level, fmt, args...) \
 	LOGP(iu_log_subsystem, level, fmt, ## args)

