[tip:perf/core] perf tests pmu: Add missing headers

[tip-bot for Arnaldo Carvalho de Melo]

Commit-ID:  e9dacd63a1857b8d72c6f2b231868e0246eee391
Gitweb:     https://git.kernel.org/tip/e9dacd63a1857b8d72c6f2b231868e0246eee391
Author:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Tue, 29 Jan 2019 12:23:44 +0100
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 6 Feb 2019 10:00:38 -0300

perf tests pmu: Add missing headers

It needs the definitions for PATH_MAX and snprintf, was getting it
by luck from headers it included and that are now being sanitized.

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Link: https://lkml.kernel.org/n/tip-7bbh3kk0h5mywvfqm64nhv28@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/tests/pmu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c
index 7bedf8608fdd..14a78898d79e 100644
--- a/tools/perf/tests/pmu.c
+++ b/tools/perf/tests/pmu.c
@@ -4,7 +4,9 @@
 #include "util.h"
 #include "tests.h"
 #include <errno.h>
+#include <stdio.h>
 #include <linux/kernel.h>
+#include <linux/limits.h>
 
 /* Simulated format definitions. */
 static struct test_format {