feh: fix typo in xlib_libXinerama dependency
This typo was introduced by commit
de2fe74e2ae9ed0ac0bfa6a32879c02ec8e1cb92, and was noticed by Petr
Vorel.
Reported-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>