[PATCH, CFT] fix awk -v -v handling

[Bernhard Fischer]

Hi,

<wihen> can anyone confirm if awk is broken on 1.4.1?
<wihen> multiple -v don't work.

Confirmed. The attached, untested patch against trunk should fix it.

Please verify and apply to trunk and the 1_4 branch.

TIA and cheers,
Bernhard
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