[tip:perf/core] perf strbuf: Add missing headers

[tip-bot for Arnaldo Carvalho de Melo <tipbot@zytor.com>]

Commit-ID:  7ed0958ae877c0c470b5ff4c26e7ad9f676ef3ed
Gitweb:     http://git.kernel.org/tip/7ed0958ae877c0c470b5ff4c26e7ad9f676ef3ed
Author:     Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Thu, 7 Jul 2016 11:06:58 -0300
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 12 Jul 2016 15:19:55 -0300

perf strbuf: Add missing headers

We were only indirectly and by luck getting types, etc needed for this
file, fix it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-gr8ejvzm7ojk6zwpeplyx9zu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/strbuf.c | 2 +-
 tools/perf/util/strbuf.h | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c
index f95f682..81759390 100644
--- a/tools/perf/util/strbuf.c
+++ b/tools/perf/util/strbuf.c
@@ -1,5 +1,5 @@
 #include "debug.h"
-#include "cache.h"
+#include "util.h"
 #include <linux/kernel.h>
 
 int prefixcmp(const char *str, const char *prefix)
diff --git a/tools/perf/util/strbuf.h b/tools/perf/util/strbuf.h
index 54b4092..b268a66 100644
--- a/tools/perf/util/strbuf.h
+++ b/tools/perf/util/strbuf.h
@@ -40,6 +40,9 @@
 
 #include <assert.h>
 #include <stdarg.h>
+#include <stddef.h>
+#include <string.h>
+#include <sys/types.h>
 
 extern char strbuf_slopbuf[];
 struct strbuf {