Fix the name of the symbol in objc2-exception-helper

I've changed the name to also no longer include the extra "exception",
so that a future `objc2-exception-helper v0.2.0` won't conflict with the
symbol from the existing `objc2-exception-helper v0.1.0`.

crates/objc2-exception-helper/CHANGELOG.md

@@ -6,6 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## Unreleased - YYYY-MM-DD
 
+### Fixed
+* Fixed the symbol name to include the correct SemVer version of the crate.
+
 
 ## 0.1.0 - 2024-06-02
 

crates/objc2-exception-helper/src/lib.rs

@@ -40,7 +40,7 @@ extern "C" {
     /// (using mechanisms like core::intrinsics::r#try) is not an option!
     ///
     /// [manual-asm]: https://gitlab.com/objrs/objrs/-/blob/b4f6598696b3fa622e6fddce7aff281770b0a8c2/src/exception.rs
-    #[link_name = "objc2_exception_helper_0_2_try_catch_exception"]
+    #[link_name = "objc2_exception_helper_0_1_try_catch"]
     pub fn try_catch(f: TryCatchClosure, context: *mut c_void, error: *mut *mut c_void) -> u8;
 }
 

crates/objc2-exception-helper/src/try_catch.m

@@ -10,7 +10,7 @@
 /// crate is present, so we make sure to version this symbol.
 ///
 /// Return `unsigned char` since it is guaranteed to be `u8` on all platforms.
-unsigned char objc2_exception_helper_0_2_try_catch_exception(void (*f)(void *), void *context, id *error) {
+unsigned char objc2_exception_helper_0_1_try_catch(void (*f)(void *), void *context, id *error) {
     @try {
         f(context);
         return 0;