[tip:perf/core] perf test fdarray: Add missing poll.h header

[tip-bot for Arnaldo Carvalho de Melo]

Commit-ID:  16b91d5ed4d81483001822ade3c9ea8d50628b0b
Gitweb:     http://git.kernel.org/tip/16b91d5ed4d81483001822ade3c9ea8d50628b0b
Author:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Thu, 7 Jul 2016 11:35:04 -0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 12 Jul 2016 15:19:56 -0300

perf test fdarray: Add missing poll.h header

It uses poll() but was getting the needed header by chance, do it
explicitely.

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-76b3c5imnl6p69j4lqewzu9l@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/tests/fdarray.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/tests/fdarray.c b/tools/perf/tests/fdarray.c
index 59dbd05..a2b5ff9 100644
--- a/tools/perf/tests/fdarray.c
+++ b/tools/perf/tests/fdarray.c
@@ -1,4 +1,5 @@
 #include <api/fd/array.h>
+#include <poll.h>
 #include "util/debug.h"
 #include "tests/tests.h"