ref.h: add C++ guards

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/include/babeltrace/ref.h b/include/babeltrace/ref.h
index 04fd8512ca2f6426140ea00220b63a5e3b0a280e..63cf2f0208cbb3e29bd0e3fec3fcb981e338976c 100644 (file)
--- a/include/babeltrace/ref.h
+++ b/include/babeltrace/ref.h
@@ -27,6 +27,10 @@
  * SOFTWARE.
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * BT_PUT: calls bt_put() with a variable, then sets this variable to NULL.
  *
@@ -97,4 +101,8 @@ void *bt_get(void *obj);
  */
 void bt_put(void *obj);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* BABELTRACE_REF_H */