cfg: Always null-terminate the cfg array.

Some functions depend on the cfg array being null-terminated, so be sure
to make it so when modifying the array.

cfg_add_entry() still doesn't sort the array, but it should.

diff --git a/lib/cfg.c b/lib/cfg.c
index 203880d21156a094cb439868ad1e7e195a69a110..8d9a4d0970e94b72653cb93f6b2e8ee763ad34ce 100644 (file)
--- a/lib/cfg.c
+++ b/lib/cfg.c
@@ -500,6 +500,7 @@ cfg_add_entry(const char *entry_, ...)
 
     FORMAT_KEY(entry_, entry);
     svec_add_nocopy(&cfg, entry);
+    svec_terminate(&cfg);
     dirty = true;
 }
 
@@ -510,6 +511,7 @@ cfg_del_entry(const char *entry_, ...)
 
     FORMAT_KEY(entry_, entry);
     svec_del(&cfg, entry);
+    svec_terminate(&cfg);
     free(entry);
     dirty = true;
 }