Address wasm_rt_impl_try UB

Author: SoniEx2

wasm2c/wasm-rt-impl.h

@@ -57,9 +57,10 @@ extern WASM_RT_THREAD_LOCAL uint32_t wasm_rt_saved_call_stack_depth;
  *   my_wasm_func();
  * ```
  */
-#define wasm_rt_impl_try()                                                    \
-  (WASM_RT_SAVE_STACK_DEPTH(), wasm_rt_set_unwind_target(&g_wasm_rt_jmp_buf), \
-   WASM_RT_SETJMP(g_wasm_rt_jmp_buf))
+#define wasm_rt_impl_try()                                       \
+  WASM_RT_SETJMP((WASM_RT_SAVE_STACK_DEPTH(),                    \
+                  wasm_rt_set_unwind_target(&g_wasm_rt_jmp_buf), \
+                  g_wasm_rt_jmp_buf))
 
 #ifdef __cplusplus
 }