Avoid conflicts with rust-lang#3307

This whole line is removed in that PR.

Author: kleisauke

libc-test/build.rs

@@ -2693,7 +2693,7 @@ fn test_emscripten(target: &str) {
 
             // FIXME: The size has been changed due to time64
             "utimbuf" | "timeval" | "timespec" | "rusage" | "itimerval" | "sched_param"
-            | "stat" | "shmid_ds" | "msqid_ds" => true,
+            | "stat" | "stat64" | "shmid_ds" | "msqid_ds" => true,
 
             // LFS64 types have been removed in Emscripten 3.1.44+
             // https://github.com/emscripten-core/emscripten/pull/19812