[bug-libunistring] Does not compile with glibc 2.28 (master) [gnulib parts need updating]

[David Abdurachmanov]

Upcoming changes in glibc 2.28 will break the package
and it's already visible in Fedora Rawhide, which tracks
glibc master.

For details and fixes see:
http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=4af4a4a71827c0bc5e0ec67af23edef4f15cee8e
http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=74d9d6a293d7462dea8f83e7fc5ac792e956a0ad

gcc -DHAVE_CONFIG_H -DNO_XMALLOC -I. -I..  -I. -I. -I.. -I..
-DIN_LIBUNISTRING -DDEPENDS_ON_LIBICONV=1   -O2 -g -pipe -Wall
-Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS
-fexceptions -fstack-protector-strong -grecord-gcc-switches
-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fasynchronous-unwind-tables
-fstack-clash-protection -c fseterr.c
BUILDSTDERR: fseterr.c: In function 'fseterr':
BUILDSTDERR: fseterr.c:87:3: error: #error "Please port gnulib fseterr.c to
your platform! Look at the definitions of ferror and clearerr on your
system, then report this to bug-gnulib."
BUILDSTDERR:   #error "Please port gnulib fseterr.c to your platform! Look
at the definitions of ferror and clearerr on your system, then report this
to bug-gnulib."
BUILDSTDERR:    ^~~~~