Fix typo.

diff --git a/lib/ddl/mssql_sql_generator.php b/lib/ddl/mssql_sql_generator.php
index f27a86ff790e751f4c0d167b569ee3d8955de2a7..9d889693914a9257dc2d12fd6c5b517336a2eea2 100644 (file)
--- a/lib/ddl/mssql_sql_generator.php
+++ b/lib/ddl/mssql_sql_generator.php
@@ -329,7 +329,7 @@ class mssql_sql_generator extends sql_generator {
 
         $meta = $this->mdb->get_columns($tablename);
         $metac = $meta[$fieldname];
-        $oldmetatype = $$metac->meta_type;
+        $oldmetatype = $metac->meta_type;
 
         $oldlength = $metac->max_length;
         $olddecimals = empty($metac->scale) ? null : $metac->scale;