Fixing sysroot path.

Change-Id: I2d0e69f0633707346bf63b77097454f5d9ec983b
diff --git a/src/sdk.rs b/src/sdk.rs
index 0482a65..b731f39 100644
--- a/src/sdk.rs
+++ b/src/sdk.rs
@@ -86,9 +86,9 @@
 
 pub fn sysroot_path(options: &TargetOptions) -> Result<PathBuf> {
     let zircon_name = if options.target_cpu == "x86-64" {
-        "build-zircon-pc-x86-64"
+        "build-user-x86-64"
     } else {
-        "build-zircon-qemu-arm64"
+        "build-user-arm64"
     };
     Ok(fuchsia_root(&options)?.join("out").join("build-zircon").join(zircon_name).join("sysroot"))
 }