mysql plugin: Remove sideeffect-free function call.

diff --git a/src/mysql.c b/src/mysql.c
index bfdbb76..69df7c7 100644 (file)
--- a/src/mysql.c
+++ b/src/mysql.c
@@ -742,7 +742,6 @@ static int mysql_read (user_data_t *ud)
        if (res == NULL)
                return (-1);
 
-       mysql_num_fields (res);
        while ((row = mysql_fetch_row (res)))
        {
                char *key;