libvirt plugin: Replace `strcat' with `strncat'.

diff --git a/src/libvirt.c b/src/libvirt.c
index 327536a..81d7f1c 100644 (file)
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -667,7 +667,7 @@ init_value_list (value_list_t *vl, time_t t, virDomainPtr dom)
         n = DATA_MAX_NAME_LEN - strlen (vl->host) - 2;
 
         if (i > 0 && n >= 1) {
-            strcat (vl->host, ":");
+            strncat (vl->host, ":", 1);
             n--;
         }