Add platform/external/rust/crates/siphasher
diff --git a/default.xml b/default.xml
index ab2f6c7..34bcb4a 100644
--- a/default.xml
+++ b/default.xml
@@ -1425,6 +1425,7 @@
   <project name="platform/external/rust/crates/shared_child" />
   <project name="platform/external/rust/crates/shared_library" />
   <project name="platform/external/rust/crates/shlex" />
+  <project name="platform/external/rust/crates/siphasher" />
   <project name="platform/external/rust/crates/slab" />
   <project name="platform/external/rust/crates/smallvec" />
   <project name="platform/external/rust/crates/smccc" />