patch: remove -xc compile flag

[Björn JACKE]

On 2009-03-02 at 14:18 +0100 Guenther Deschner sent off:
> Hm, how is this different from 98a4327b19e83ffad4e0be7e8895fdbd9e48d49f
> (that we needed to revert shortly afterwards because it broke with gcc) ?

what a pitty that git loses the history of files that have been moved around :-|.
Jelmer: do you know which gcc version faled on which files here? I compiled
with removed -xc with gcc 4.2.1 successfully.

Björn
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