libgb: prefix all NS related functions with gprs_
diff --git a/openbsc/src/libgb/common_vty.h b/openbsc/src/libgb/common_vty.h
index 8c6b9ab..d8d0040 100644
--- a/openbsc/src/libgb/common_vty.h
+++ b/openbsc/src/libgb/common_vty.h
@@ -3,6 +3,12 @@
 
 extern int DNS, DBSSGP;
 
+enum log_filter {
+	_FLT_ALL = LOG_FILTER_ALL,	/* libosmocore */
+	FLT_NSVC = 1,
+	FLT_BVC  = 2,
+};
+
 extern struct cmd_element libgb_exit_cmd;
 extern struct cmd_element libgb_end_cmd;