[Patch] Fix undeleted "static QFont *_font" in kglobalsettings.cpp

[Matthew Woehlke]

Johannes Sixt wrote:
> Wait a second. Where is it written that the null pointer has the same bit
> pattern as sizeof(pointer) consecutive unsigned chars with value '\0'? Hm?
> memset is *wrong*.

In that sense, so is using 'if (foo)' versus 'if (foo != null)', yes? 
NULL != 0 would probably break quite a lot of code :-).

(And... that said, I'm actually not sure that NULL == 0 *isn't* codified 
somewhere.)

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Matthew
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