Update from https://crrev.com/307664

sandbox/linux/services/syscall_wrappers.h

Index: sandbox/linux/services/syscall_wrappers.h
diff --git a/sandbox/linux/services/syscall_wrappers.h b/sandbox/linux/services/syscall_wrappers.h
index 15ec81bf3e828ec03758ba4e4dd2056cb25424e8..64028f7d0f6d61316566ad20b1f8a260128f3f8b 100644
--- a/sandbox/linux/services/syscall_wrappers.h
+++ b/sandbox/linux/services/syscall_wrappers.h
@@ -10,6 +10,7 @@
 #include "sandbox/sandbox_export.h"
 
 struct sock_fprog;
+struct rlimit64;
 
 namespace sandbox {
 
@@ -38,6 +39,12 @@ SANDBOX_EXPORT int sys_seccomp(unsigned int operation,
                                unsigned int flags,
                                const struct sock_fprog* args);
 
+// Some libcs do not expose a prlimit64 wrapper.
+SANDBOX_EXPORT int sys_prlimit64(pid_t pid,
+                                 int resource,
+                                 const struct rlimit64* new_limit,
+                                 struct rlimit64* old_limit);
+
 }  // namespace sandbox
 
 #endif  // SANDBOX_LINUX_SERVICES_SYSCALL_WRAPPERS_H_