typo: "--%s needs at two arguments"

[Sven Joachim <svenjoac@gmx.de>]

Hi,

while working on the German translation, I noticed a typo in
src/querycmd.c at line 726:

    badusage(_("--%s needs at two arguments"),

Seems that it should read "…at least two arguments" instead.

Cheers,
       Sven