Pass Mach message trailers to server handler functions

tools/catch_exception_tool.cc

Index: tools/catch_exception_tool.cc
diff --git a/tools/catch_exception_tool.cc b/tools/catch_exception_tool.cc
index b18f9b5dbac12c75a37e1a12e7ba7adbc7ad465a..3fcc221640d945bc043b2b37dcc1cc85d58da6b5 100644
--- a/tools/catch_exception_tool.cc
+++ b/tools/catch_exception_tool.cc
@@ -70,6 +70,7 @@ class ExceptionServer : public UniversalMachExcServer {
       mach_msg_type_number_t old_state_count,
       thread_state_t new_state,
       mach_msg_type_number_t* new_state_count,
+      const mach_msg_trailer_t* trailer,
       bool* destroy_complex_request) override {
     *destroy_complex_request = true;
     ++*exceptions_handled_;