perf tools: Add missing header to color.c

It uses isatty(), so needs unistd.h, include 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-ivwuz8f68tb3sdcpguo9wmvx@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 10ca87fd
...@@ -3,6 +3,7 @@ ...@@ -3,6 +3,7 @@
#include "config.h" #include "config.h"
#include "color.h" #include "color.h"
#include <math.h> #include <math.h>
#include <unistd.h>
int perf_use_color_default = -1; int perf_use_color_default = -1;
......
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