getline() is no more used. So no need to use this ugly hack.
This also solves a compiler warning;
In file included from ../libnfc/log.h:22:0,
from ../libnfc/chips/pn53x-internal.h:28,
from ../libnfc/chips/pn53x.h:31,
from pn53x-tamashell.c:68:
../config.h:153:0: warning: "_XOPEN_SOURCE" redefined [enabled by default]
/usr/include/features.h:165:0: note: this is the location of the previous definition