'make syntax-check' complains:
src/tail.c
maint.mk: the above files include safe-read.h but don't use it
make: *** [maint.mk:737: sc_prohibit_safe_read_without_use] Error 1
The removal was missed for tail.c in recent commit
d3c7072a0950.
* src/tail.c (safe-read.h): Remove include.
#include "isapipe.h"
#include "posixver.h"
#include "quote.h"
#include "isapipe.h"
#include "posixver.h"
#include "quote.h"
#include "stat-size.h"
#include "stat-time.h"
#include "xbinary-io.h"
#include "stat-size.h"
#include "stat-time.h"
#include "xbinary-io.h"