collectd.c: mark notify_systemd as static

Commit straight to 5.5. This function didn't exist in 5.4.

diff --git a/src/daemon/collectd.c b/src/daemon/collectd.c
index 21bf23f..6e625bb 100644 (file)
--- a/src/daemon/collectd.c
+++ b/src/daemon/collectd.c
@@ -440,7 +440,7 @@ static int notify_upstart (void)
     return 1;
 }
 
-int notify_systemd (void)
+static int notify_systemd (void)
 {
     int                  fd = -1;
     const char          *notifysocket = getenv("NOTIFY_SOCKET");