update patch

Author: tgross35

patches/0001-Debug-builtins-output.patch

@@ -15,7 +15,7 @@ index 9721ddf090c..19a7886f496 100644
              .unwrap_or_else(|e| panic!("failed to run `{cmd:?}`: {e}"));
          let rustc_cfg = str::from_utf8(&out.stdout).unwrap();
 
-+        println!("cargo::warning=rustc: {}", env::var("RUSTC").unwrap()); println!("cargo::warning=rustflags: {}", env::var("RUSTFLAGS").unwrap());
++        println!("cargo::warning=rustc: {}", env::var("RUSTC").unwrap()); println!("cargo::warning=rustflags: {:?}", env::var("RUSTFLAGS"));
 +        for line in rustc_cfg.lines() {
 +            println!("cargo::warning=cfg: {line}");
 +        }