[lazarus] fixed some sigsegv's

[Shane Miller]

>
>I've fixed some crashes in lazarus.
>
>1. The handleneeded/createhandle had a infiniteloop because parent=self
>
>2. gtkfocusCB had the wrong declaration causing wrong data parameter. This
>was the crash after a keypress
>
>3. All gtk callback returned boolean instead of gboolean !
>(gboolean=longbool). Don't forget that your 'working' with C libraries
>which have a boolean of 4 bytes.
>
>
>There is now a crash after enter is pressed on a tab, but that is up to
>you to debug.
>
>
>Peter
>

Cool, thanks!
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Shane Miller

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