patches/std.diff

diff --git a/src/lib.rs b/src/lib.rs
index aaa561f..016a0c7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -81,6 +81,9 @@
 )]
 #![allow(clippy::needless_doctest_main)]
 
+// ANDROID: Use std to allow building as a dylib.
+extern crate std;
+
 #[doc(inline)]
 pub use pin_project_internal::pin_project;