Rollup merge of #156573 - richArved:patch-1, r=Mark-Simulacrum

Add unwinder_private_data_size for wasm64 target

Fixes missing unwinder_private_data_size for the wasm64 architecture

Author: jhpratt

library/unwind/src/libunwind.rs

@@ -72,7 +72,7 @@ pub const unwinder_private_data_size: usize = 2;
 #[cfg(any(target_arch = "riscv64", target_arch = "riscv32"))]
 pub const unwinder_private_data_size: usize = 2;
 
-#[cfg(all(target_arch = "wasm32", target_os = "emscripten"))]
+#[cfg(all(target_family = "wasm", target_os = "emscripten"))]
 pub const unwinder_private_data_size: usize = 20;
 
 #[cfg(all(target_arch = "wasm32", any(target_os = "linux", target_os = "wasi")))]