perf tools: fix missing winsize definition

In Android, struct winsize is not defined in the headers already
included in help.c. This leads to a compile error.

Including termios.h fixes the compilation error since it defines struct winsize.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1347065004-15306-7-git-send-email-irina.tirdea@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/help.c

@@ -3,6 +3,7 @@
 #include "exec_cmd.h"
 #include "levenshtein.h"
 #include "help.h"
+#include <termios.h>
 
 void add_cmdname(struct cmdnames *cmds, const char *name, size_t len)
 {

tools/perf/util/top.h

@@ -5,6 +5,7 @@
 #include "types.h"
 #include <stddef.h>
 #include <stdbool.h>
+#include <termios.h>
 
 struct perf_evlist;
 struct perf_evsel;