rec: Fix a typo in one comment of the negative cache unit tests

diff --git a/pdns/recursordist/test-negcache_cc.cc b/pdns/recursordist/test-negcache_cc.cc
index 2431794657e9d0031a4cd29fb9588145b727b81a..f5ddec76b9a8e5256ffafdb39d9db1001fe1e26a 100644 (file)
--- a/pdns/recursordist/test-negcache_cc.cc
+++ b/pdns/recursordist/test-negcache_cc.cc
@@ -385,7 +385,7 @@ BOOST_AUTO_TEST_CASE(test_dumpToFile) {
   }
 
   if (line != nullptr) {
-    /* getline() allocates a buffer then called with a nullptr,
+    /* getline() allocates a buffer when called with a nullptr,
        then reallocates it when needed, but we need to free the
        last allocation if any. */
     free(line);