[PATCH] Fix libcpp PCH related memory leaks (PR middle-end/56461)

[Tom Tromey]

>>>>> "Jakub" == Jakub Jelinek <jakub@redhat.com> writes:

Jakub> 2013-03-01  Jakub Jelinek  <jakub@redhat.com>
Jakub> 	PR middle-end/56461
Jakub> 	* files.c (_cpp_save_file_entries): Free result at the end.
Jakub> 	* pch.c (cpp_string_free): New function.
Jakub> 	(cpp_save_state): Use it in htab_create call.
Jakub> 	(cpp_write_pch_deps): Free ss->defs.  Destroy ss->definedhash.

Looks good to me.  This is ok, thanks.

Tom