Bump namespace to cxxbridge03
diff --git a/syntax/mangle.rs b/syntax/mangle.rs
index 1380704..c9392db 100644
--- a/syntax/mangle.rs
+++ b/syntax/mangle.rs
@@ -3,7 +3,7 @@
 use crate::syntax::ExternFn;
 use proc_macro2::Ident;
 
-const CXXBRIDGE: &str = "cxxbridge02";
+const CXXBRIDGE: &str = "cxxbridge03";
 
 macro_rules! join {
     ($($segment:expr),*) => {
diff --git a/syntax/symbol.rs b/syntax/symbol.rs
index fa8e587..066d238 100644
--- a/syntax/symbol.rs
+++ b/syntax/symbol.rs
@@ -4,7 +4,7 @@
 use std::fmt::{self, Display, Write};
 
 // A mangled symbol consisting of segments separated by '$'.
-// For example: cxxbridge02$string$new
+// For example: cxxbridge03$string$new
 pub struct Symbol(String);
 
 impl Display for Symbol {