[PATCH] Avoid divide by 0 error

[Krzysztof Arentowicz]

Avoid crash when moving mouse to left side of the plot when showing
mean depth

Signed-off-by: Krzysztof Arentowicz <k.arentowicz at gmail.com>
---
 qt-ui/profile/diveprofileitem.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qt-ui/profile/diveprofileitem.cpp b/qt-ui/profile/diveprofileitem.cpp
index e0f3ac8..887ebcd 100644
--- a/qt-ui/profile/diveprofileitem.cpp
+++ b/qt-ui/profile/diveprofileitem.cpp
@@ -990,7 +990,7 @@ void InstantMeanDepthLine::mouseMoved(int time, int depth)
 	int count = model->data().nr;
 	for(int i = 0; i < count; i++){
 		struct plot_data pI = model->data().entry[i];
-		if (pI.sec == time) {
+		if (pI.sec == time && pI.sec != 0) {
 			setMeanDepth(pI.running_sum / time);
 			setLine(0, 0, hAxis->posAtValue(time), 0);
 			setPos(pos().x(), vAxis->posAtValue(pI.running_sum / time));
-- 
1.9.1