cython: Fix module build with libplist already installed
cython: Fix module build with libplist already installed

see https://github.com/pld-linux/libplist/commit/a4a4e4b04caef3f9875b598d64ffb1fb388e699e

libimobiledevice-win32/libplist,libimobiledevice/libplist,libimobiledevice/libplist,Tatsh/libplist,libimobiledevice-win32/libplist,libimobiledevice-win32/libplist,libimobiledevice/libplist,Tatsh/libplist,Tatsh/libplist,libimobiledevice-win32/libplist,Tatsh/libplist