functions.inc.php: fix incorrect usage of mysqli_error(...)

git-svn-id: https://svn.code.sf.net/p/postfixadmin/code/trunk@65 a1433add-5e2c-0410-b055-b7f2511e0802

functions.inc.php

@@ -1270,8 +1270,14 @@ function db_query ($query)
 
    if (!is_resource($link)) $link = db_connect ();
 
-   if ($CONF['database_type'] == "mysql") $result = @mysql_query ($query, $link) or die ("<p />DEBUG INFORMATION:<br />Invalid query: " . mysql_error() . "$DEBUG_TEXT");
-   if ($CONF['database_type'] == "mysqli") $result = @mysqli_query ($link, $query) or die ("<p />DEBUG INFORMATION:<br />Invalid query: " . mysqli_error() . "$DEBUG_TEXT");
+   if ($CONF['database_type'] == "mysql") 
+   {
+      $result = @mysql_query ($query, $link) or die ("<p />DEBUG INFORMATION:<br />Invalid query: " . mysql_error() . "$DEBUG_TEXT");
+   }
+   if ($CONF['database_type'] == "mysqli") 
+   {
+      $result = @mysqli_query ($link, $query) or die ("<p />DEBUG INFORMATION:<br />Invalid query: " . mysqli_error($link) . "$DEBUG_TEXT");
+   }
    if ($CONF['database_type'] == "pgsql")
    {
       $result = @pg_query ($link, $query) or die ("<p />DEBUG INFORMATION:<br />Invalid query: " . pg_last_error() . "$DEBUG_TEXT");