From 7bbaeac55f501f9cec7165074ef72c77b73fc4ce Mon Sep 17 00:00:00 2001
From: Randy Mackay <rmackay9@yahoo.com>
Date: Mon, 8 Jun 2015 12:01:36 +0900
Subject: [PATCH] OpticalFlow: init _last_update_ms member

This resolves a defect found with coverity
---
 libraries/AP_OpticalFlow/OpticalFlow.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libraries/AP_OpticalFlow/OpticalFlow.cpp b/libraries/AP_OpticalFlow/OpticalFlow.cpp
index bf7583d271..b35608a1e8 100644
--- a/libraries/AP_OpticalFlow/OpticalFlow.cpp
+++ b/libraries/AP_OpticalFlow/OpticalFlow.cpp
@@ -43,12 +43,13 @@ const AP_Param::GroupInfo OpticalFlow::var_info[] PROGMEM = {
 // default constructor
 OpticalFlow::OpticalFlow(void) :
 #if CONFIG_HAL_BOARD == HAL_BOARD_PX4
-    backend(new AP_OpticalFlow_PX4(*this))
+    backend(new AP_OpticalFlow_PX4(*this)),
 #elif CONFIG_HAL_BOARD == HAL_BOARD_SITL
-    backend(new AP_OpticalFlow_HIL(*this))
+    backend(new AP_OpticalFlow_HIL(*this)),
 #else
-    backend(NULL)
+    backend(NULL),
 #endif
+    _last_update_ms(0)
 {
     AP_Param::setup_object_defaults(this, var_info);