Update ps-mode.el from upstream

[gnu-emacs] / lib / careadlinkat.c

diff --git a/lib/careadlinkat.c b/lib/careadlinkat.c
index d242ffaac7d1a6b5beda76aadc4ba0d7768e093b..e2c19d1c1f1749d77d44ca54c1ce595ba7b621e4 100644 (file)
--- a/lib/careadlinkat.c
+++ b/lib/careadlinkat.c
@@ -25,6 +25,7 @@
 #include <errno.h>
 #include <limits.h>
 #include <string.h>
+#include <unistd.h>
 
 /* Define this independently so that stdint.h is not a prerequisite.  */
 #ifndef SIZE_MAX