[patch]: Fix memory leak of symtab.c

[Joel Brobecker]

> 2008-06-21  Hui Zhu  <teawater@gmail.com>
>       * symtab.c (expand_line_sal): Fix a memory leak.

Yes, this is OK. (just make sure to have an empty line between the
ChangeLog header and the actual contents)

Thank you!

-- 
Joel