perf tools: Remove include dirent.h from util.h

The files using the dirent.h routines should instead include it,
reducing the includes hell that lead to longer build times.

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-42g2f4z6nfg7mdb2ae97n7tj@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-script.c

@@ -32,6 +32,7 @@
 #include "asm/bug.h"
 #include "util/mem-events.h"
 #include "util/dump-insn.h"
+#include <dirent.h>
 #include <errno.h>
 #include <inttypes.h>
 

tools/perf/tests/dso-data.c

+#include <dirent.h>
 #include <stdlib.h>
 #include <linux/kernel.h>
 #include <linux/types.h>

tools/perf/tests/parse-events.c

@@ -5,6 +5,7 @@
 #include "tests.h"
 #include "debug.h"
 #include "util.h"
+#include <dirent.h>
 #include <errno.h>
 #include <linux/kernel.h>
 #include <linux/hw_breakpoint.h>

tools/perf/ui/browsers/hists.c

+#include <dirent.h>
 #include <errno.h>
 #include <inttypes.h>
 #include <stdio.h>

tools/perf/util/build-id.c

@@ -7,6 +7,7 @@
  * Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com>
  */
 #include "util.h"
+#include <dirent.h>
 #include <errno.h>
 #include <stdio.h>
 #include "build-id.h"

tools/perf/util/cpumap.c

@@ -3,6 +3,7 @@
 #include "../perf.h"
 #include "cpumap.h"
 #include <assert.h>
+#include <dirent.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <linux/bitmap.h>

tools/perf/util/event.c

+#include <dirent.h>
 #include <errno.h>
 #include <inttypes.h>
 #include <linux/kernel.h>

tools/perf/util/machine.c

+#include <dirent.h>
 #include <errno.h>
 #include <inttypes.h>
 #include "callchain.h"

tools/perf/util/parse-events.c

 #include <linux/hw_breakpoint.h>
 #include <linux/err.h>
+#include <dirent.h>
 #include <errno.h>
 #include "term.h"
 #include "../perf.h"

tools/perf/util/util.c

@@ -7,6 +7,7 @@
 #ifdef HAVE_BACKTRACE_SUPPORT
 #include <execinfo.h>
 #endif
+#include <dirent.h>
 #include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>

tools/perf/util/util.h

@@ -20,7 +20,6 @@
 #include <limits.h>
 #include <sys/param.h>
 #include <sys/types.h>
-#include <dirent.h>
 #include <sys/time.h>
 #include <time.h>
 #include <signal.h>
@@ -82,6 +81,7 @@ static inline void *zalloc(size_t size)
 
 #define zfree(ptr) ({ free(*ptr); *ptr = NULL; })
 
+struct dirent;
 struct strlist;
 
 int mkdir_p(char *path, mode_t mode);