build: use largefile module and update to latest gnulib

* configure.ac: Remove AC_SYS_LARGEFILE, subsumed by ...
* bootstrap.conf (gnulib_modules): ...this.  Use largefile module.
* gnulib: Update to latest.
This is useful to Mac OS X 10.5 users if/when configure
is generated using autoconf prior to v2.68-80-gdb2f2e0.

bootstrap.conf

@@ -35,6 +35,7 @@ gitlog-to-changelog
 git-version-gen
 hash
 ignore-value
+largefile
 lchmod
 lstat
 maintainer-makefile

configure.ac

@@ -42,7 +42,6 @@ AC_PROG_CC
 AC_PROG_CC_STDC
 gl_EARLY
 gl_USE_SYSTEM_EXTENSIONS
-AC_SYS_LARGEFILE
 AC_HEADER_STDC
 gl_INIT
 

gnulib

@@ -1 +1 @@
-Subproject commit ef05ce61b0e5354256e0096c7dc022bf09bbf1d3
+Subproject commit 17857d41b41e7b22ba58e4e0d98693ee14f022d4

m4/.gitignore

@@ -37,6 +37,7 @@
 /inline.m4
 /intmax_t.m4
 /inttypes_h.m4
+/largefile.m4
 /lchmod.m4
 /localcharset.m4
 /locale-fr.m4
@@ -56,6 +57,7 @@
 /mktime.m4
 /mmap-anon.m4
 /multiarch.m4
+/nocrash.m4
 /parse-datetime.m4
 /pathmax.m4
 /printf.m4
@@ -85,6 +87,7 @@
 /strndup.m4
 /strnlen.m4
 /symlink.m4
+/sys_socket_h.m4
 /sys_stat_h.m4
 /sys_time_h.m4
 /tempname.m4