recovery: fix epoll events type to uint32_t

Change-Id: I5db9987102201c18821acb45d1f824e9865a1451
diff --git a/minui/events.c b/minui/events.c
index 008a7d8..df7dad4 100644
--- a/minui/events.c
+++ b/minui/events.c
@@ -168,7 +168,7 @@
     }
 }
 
-int ev_get_input(int fd, unsigned int epevents, struct input_event *ev)
+int ev_get_input(int fd, uint32_t epevents, struct input_event *ev)
 {
     int r;