perf tests: Fixup leak on error path in parse events test

We need to call the evlist destructor when failing to parse events.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-ilslu69s7v7bpvdgqtrlp8f5@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/tests/parse-events.c

@@ -1385,10 +1385,10 @@ static int test_event(struct evlist_test *e)
 	if (ret) {
 		pr_debug("failed to parse event '%s', err %d\n",
 			 e->name, ret);
-		return ret;
+	} else {
+		ret = e->check(evlist);
 	}
-
-	ret = e->check(evlist);
+	
 	perf_evlist__delete(evlist);
 
 	return ret;