* libF77/F77_aloc.c, libF77/exit_.c, libF77/main.c,
	libF77/s_paus.c, libF77/s_stop.c, libF77/setarg.c,
	libF77/setsig.c, libF77/sig_die.c, libF77/signal1.h0,
	libI77/close.c, libI77/dolio.c, libI77/fio.h, libI77/fmt.h,
	libI77/lio.h: Delete checks on __cplusplus.

From-SVN: r54133