[vlc-devel] [PATCH 0/5] small mac prefs fixes

[Lyndon Brown]

a handful of small fixes for the macosx gui preferences component.

 1. fix for a null deref situation.
 2. fix for a use-after-free.
 3. fix relating to ModuleConfigControl stringValue.
 4. simplification relating to use of module_is_main().
 5. fix to respect hidden cat/subcat "hack", thus avoiding showing
options that should be hidden.

a little more to come later. also to follow is a commit to make the
hidden cat/subcat "hack" standardised.

patches are attached. previews emails (i'm not using git send-mail) for
review to follow shortly as replies.

please note that although i don't expect any problem, i've not compiled
these ones. i don't have a mac, don't have any sort of cross compiling
setup, and don't currently have CI setup on my videolan repo (could use
help with that).
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