build-sys: update bootstrap from gnulib

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

lib/.gitignore

@@ -65,11 +65,15 @@
 /hard-locale.h
 /inet_pton.c
 /intprops.h
+/inttypes.h
+/inttypes.in.h
 /isnan.c
 /isnand.c
 /isnanf.c
 /isnanl.c
 /itold.c
+/lc-charset-dispatch.c
+/lc-charset-dispatch.h
 /libc-config.h
 /libdhcpd_pools.la
 /.libs/
@@ -78,6 +82,8 @@
 /*.lo
 /localcharset.c
 /localcharset.h
+/locale.h
+/locale.in.h
 /localtime-buffer.c
 /localtime-buffer.h
 /lseek.c
@@ -89,7 +95,11 @@
 /math.h
 /math.in.h
 /mbrtowc.c
+/mbrtowc-impl.h
+/mbrtowc-impl-utf8.h
 /mbsinit.c
+/mbtowc-lock.c
+/mbtowc-lock.h
 /memchr.c
 /memchr.valgrind
 /minmax.h
@@ -110,6 +120,9 @@
 /quote.h
 /realloc.c
 /setenv.c
+/setlocale-lock.c
+/setlocale_null.c
+/setlocale_null.h
 /stat.c
 /stat-time.c
 /stat-time.h