Remove dependency of getdelim on realloc-posix

[Gavin Smith]

This patch is intended to remove a warning due to redefining realloc
twice when building Perl extension modules, once by gnulib, a second
time by Perl's headers. Reported here

http://lists.gnu.org/archive/html/bug-texinfo/2016-08/msg00021.html

diff --git a/ChangeLog b/ChangeLog
index 2414e8e..9033e14 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2016-08-13  Gavin Smith  <address@hidden>
+
+       * modules/getdelim: Remove dependency on realloc-posix.
+       * lib/getdelim.c (getdelim): Set errno to ENOENT if realloc failed,
+       as is done in lib/canonicalize-lgpl.c (__realpath).
+
 2016-07-15  Paul Eggert  <address@hidden>

        obstack: pacify GCC 6 with -Wnull-dereference
diff --git a/lib/getdelim.c b/lib/getdelim.c
index 68a6f34..8d2dbbe 100644
--- a/lib/getdelim.c
+++ b/lib/getdelim.c
@@ -75,6 +75,9 @@ getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp)
       if (new_lineptr == NULL)
         {
           result = -1;
+          /* It's easier to set errno to ENOMEM than to rely on the
+             'realloc-posix' gnulib module.  */
+          errno = ENOMEM;
           goto unlock_return;
         }
       *lineptr = new_lineptr;
diff --git a/modules/getdelim b/modules/getdelim
index e84558c..ee71165 100644
--- a/modules/getdelim
+++ b/modules/getdelim
@@ -9,7 +9,6 @@ Depends-on:
 stdio
 extensions
 stdint          [test $HAVE_GETDELIM = 0 || test $REPLACE_GETDELIM = 1]
-realloc-posix   [test $HAVE_GETDELIM = 0 || test $REPLACE_GETDELIM = 1]
 errno           [test $HAVE_GETDELIM = 0 || test $REPLACE_GETDELIM = 1]

 configure.ac: