Add _PATH_DEVNULL for those without it.

diff --git a/pathnames.h.in b/pathnames.h.in
index 2546b6c85754df089f191a7a52ba83bde77a8945..a277e448643d769ab185048386109c749d0c445f 100644 (file)
--- a/pathnames.h.in
+++ b/pathnames.h.in
@@ -37,6 +37,10 @@
 #define _PATH_TTY              "/dev/tty"
 #endif /* _PATH_TTY */
 
+#ifndef _PATH_DEVNULL
+#define _PATH_DEVNULL          "/dev/null"
+#endif /* _PATH_DEVNULL */
+
 #ifndef _PATH_DEFPATH
 #define _PATH_DEFPATH          "/usr/bin:/bin"
 #endif /* _PATH_DEFPATH */