ping plugin: Actually check the uid, not the address of `getuid'.

diff --git a/src/ping.c b/src/ping.c
index 3c70066..27a65fa 100644 (file)
--- a/src/ping.c
+++ b/src/ping.c
@@ -241,7 +241,7 @@ static int ping_read (void)
                number_of_hosts++;
        }
 
-       if ((number_of_hosts == 0) && (getuid != 0))
+       if ((number_of_hosts == 0) && (getuid () != 0))
        {
                ERROR ("ping plugin: All hosts failed. Try starting collectd as root.");
        }