db lib: fix memory leak

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@50375 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/db/dbmi_base/table.c

@@ -70,6 +70,7 @@ void db_free_table(dbTable * table)
     int i;
 
     db_free_string(&table->tableName);
+    db_free_string(&table->description);
     for (i = 0; i < table->numColumns; i++)
 	db_free_column(&table->columns[i]);
     if (table->columns)