libcuefile: fix static linking

Add a patch to libcuefile to fix BR2_PREFER_STATIC_LIB=y configurations.

Fixes:

  http://autobuild.buildroot.org/results/13e/13ecdab5bb132532674a51e0e0e1136d417dfcd9/



Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>