Use gnulib module 'strerror'.
diff --git a/ChangeLog b/ChangeLog
index aea1bde..4748bf0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-09-14 Bruno Haible <bruno@clisp.org>
+
+ * Makefile.devel (GNULIB_MODULES): Add strerror.
+
2008-09-07 Bruno Haible <bruno@clisp.org>
Make behaviour when encountering invalid input after a shift sequence
diff --git a/Makefile.devel b/Makefile.devel
index deef3ab..d23220b 100644
--- a/Makefile.devel
+++ b/Makefile.devel
@@ -74,6 +74,7 @@
memmove \
progname \
relocatable-prog \
+ strerror \
unistd \
uniwidth/width \
unlocked-io \