contrib/exec-munin.px: Fix a typo in the config handling functions.

diff --git a/contrib/exec-munin.px b/contrib/exec-munin.px
index e6c8128..2460956 100755 (executable)
--- a/contrib/exec-munin.px
+++ b/contrib/exec-munin.px
@@ -143,7 +143,7 @@ sub handle_config
     }
     elsif (ref ($config->{'script'}) eq '')
     {
-      handle_config_addtype ([$config->{'script'}]);
+      handle_config_script ([$config->{'script'}]);
     }
     else
     {