parse-event: Fix memset pointer size bug in handle

Fix memset(ptr, 0, sizeof(ptr)) to memset(ptr, 0, sizeof(*ptr))

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Arun Sharma <asharma@fb.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

tools/lib/traceevent/event-parse.c

@@ -4904,7 +4904,7 @@ int pevent_register_event_handler(struct pevent *pevent,
  not_found:
 	/* Save for later use. */
 	handle = malloc_or_die(sizeof(*handle));
-	memset(handle, 0, sizeof(handle));
+	memset(handle, 0, sizeof(*handle));
 	handle->id = id;
 	if (event_name)
 		handle->event_name = strdup(event_name);