perf hists browser: Use K_TIMER

In the switch case entry for the timer routine.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-ypw3i9kmxoq28skx7jy914it@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index 4663dcb..44210d4 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -314,8 +314,7 @@
 		key = ui_browser__run(&self->b, delay_secs);
 
 		switch (key) {
-		case -1:
-			/* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */
+		case K_TIMER:
 			timer(arg);
 			ui_browser__update_nr_entries(&self->b, self->hists->nr_entries);
 			hists__browser_title(self->hists, title, sizeof(title),
@@ -914,7 +913,7 @@
 					"C             Collapse all callchains\n"
 					"E             Expand all callchains\n"
 					"d             Zoom into current DSO\n"
-					"t             Zoom into current Thread\n");
+					"t             Zoom into current Thread");
 			continue;
 		case K_ENTER:
 		case K_RIGHT: