library/unwind: Add missing )

Signed-off-by: Alistair Francis <[email protected]>

Author: alistair23

unwind/src/libunwind.rs

@@ -54,7 +54,7 @@ pub const unwinder_private_data_size: usize = 2;
 #[cfg(target_arch = "sparc64")]
 pub const unwinder_private_data_size: usize = 2;
 
-#[cfg(any(target_arch = "riscv64", target_arch = "riscv32")]
+#[cfg(any(target_arch = "riscv64", target_arch = "riscv32"))]
 pub const unwinder_private_data_size: usize = 2;
 
 #[cfg(target_os = "emscripten")]