[PATCH] Fix various memory leaks

[Derek Atkins]

In the future, can you please attach your patch instead of inlining it?
I've applied this one, however a few comments:

1) there are a number of places where you add a variable unnecessarily
2) I removed a non-needed cast.

-derek

Chris Shoemaker <c.shoemaker at cox.net> writes:

>  * Fix memory leak of xml parser context in sixtp-stack.c, string in
> gnc_plugin_file_history, gdkCursor in cursors.c, GtkIconSources in
> gnc-icons.c, several strings in gnc-menu-extensions.c, TimeSpec and
> strings in test-engine-stuff.c
>  * added some constness to gnc_ext_gen_action_name()

-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord at MIT.EDU                        PGP key available