(gl_UNISTD_SAFER): Add unistd--.h to the list.

diff --git a/m4/unistd-safer.m4 b/m4/unistd-safer.m4
index a1dc2b753b61ada88d71ae95b7c5c8c261071c39..402f1bf504614896c29c80285337c84db6b3f08e 100644 (file)
--- a/m4/unistd-safer.m4
+++ b/m4/unistd-safer.m4
@@ -6,7 +6,7 @@ dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_UNISTD_SAFER],
 [
-  AC_LIBSOURCES([dup-safer.c, fd-safer.c, unistd-safer.h])
+  AC_LIBSOURCES([dup-safer.c, fd-safer.c, unistd-safer.h, unistd--.h])
   AC_LIBOBJ([dup-safer])
   AC_LIBOBJ([fd-safer])