debug: Fix tst-longjmp_chk3 build failure on Hurd

Explicitly include <unistd.h> for _exit and getpid.

diff --git a/debug/tst-longjmp_chk3.c b/debug/tst-longjmp_chk3.c
index 7bf1646b354fd2febb6588dff52b1e113176ffa7..9b9db3b9e9e37d54239a79164579d23027128913 100644 (file)
--- a/debug/tst-longjmp_chk3.c
+++ b/debug/tst-longjmp_chk3.c
@@ -20,6 +20,7 @@
 #include <signal.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <support/support.h>