configure: do not quote arguments passed to filter{,_out} in check_ld.

This fixes the following error:
./configure: eval: line 417: syntax error near unexpected token `-lcdio_cdda'
[...]
Broken by 66a1ccd74 when doing, e.g., ./configure --enable-gpl --enable-libcdio.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
