Update lss README.crashpad to point to corrected name for license

The header at
https://chromium.googlesource.com/linux-syscall-support/+/refs/heads/main
uses underscores, not hyphens.

Bug: b/173235782
Change-Id: Ie00e023a5b6d376a97474f7e5cf139f3ec94826f
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/2551757
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Scott Graham <scottmg@chromium.org>
GitOrigin-RevId: 0917d31d19efaa9278a6242bfdb971f4e8407d59
diff --git a/third_party/lss/README.crashpad b/third_party/lss/README.crashpad
index c036ae0..d1ac991 100644
--- a/third_party/lss/README.crashpad
+++ b/third_party/lss/README.crashpad
@@ -3,7 +3,7 @@
 URL: https://chromium.googlesource.com/linux-syscall-support/
 Revision: See DEPS
 License: BSD 3-clause
-License File: lss/linux-syscall-support.h
+License File: lss/linux_syscall_support.h
 Security Critical: yes
 
 Description: