Include <linux/ptrace.h>, because <sys/ptrace.h> tends to be incomplete

diff --git a/box/box.c b/box/box.c
index 323e07e77e9d270dc85d43f0092a346deba41ed1..69a29173c70d7c4f8ba63b1e5b08e2d8e0b6461e 100644 (file)
--- a/box/box.c
+++ b/box/box.c
@@ -24,6 +24,7 @@
 #include <sys/sysinfo.h>
 #include <sys/syscall.h>
 #include <sys/resource.h>
+#include <linux/ptrace.h>
 
 #define NONRET __attribute__((noreturn))
 #define UNUSED __attribute__((unused))