fix valgrind warnings in debug builds

diff --git a/ext/mysqlnd/mysqlnd.c b/ext/mysqlnd/mysqlnd.c
index 80d315a1bd2a218050d1a76439ccdca8d89710e3..7f04d35517ebba2822f49ef6f6e5243db4811a1d 100644 (file)
--- a/ext/mysqlnd/mysqlnd.c
+++ b/ext/mysqlnd/mysqlnd.c
@@ -1523,7 +1523,7 @@ MYSQLND_METHOD(mysqlnd_conn, kill)(MYSQLND * conn, unsigned int pid TSRMLS_DC)
        zend_uchar buff[4];
 
        DBG_ENTER("mysqlnd_conn::kill");
-       DBG_INF_FMT("conn=%llu pid=%lu", conn->thread_id, pid);
+       DBG_INF_FMT("conn=%llu pid=%u", conn->thread_id, pid);
 
        int4store(buff, pid);