[LyX/master] Fix unintialized member of BufferView::Private

[Jean-Marc]

commit fbe333245ed099e68c58d36c18e4355738411ac1
Author: Jean-Marc <lasgout...@lyx.org>
Date:   Wed Mar 4 22:17:51 2015 +0100

    Fix unintialized member of BufferView::Private
    
    Fixes coverity issue 23404.

diff --git a/src/BufferView.cpp b/src/BufferView.cpp
index 8b48384..c8b3763 100644
--- a/src/BufferView.cpp
+++ b/src/BufferView.cpp
@@ -227,7 +227,8 @@ enum ScreenUpdateStrategy {
 
 struct BufferView::Private
 {
-       Private(BufferView & bv): wh_(0), cursor_(bv),
+       Private(BufferView & bv) : update_strategy_(NoScreenUpdate),
+               wh_(0), cursor_(bv),
                anchor_pit_(0), anchor_ypos_(0),
                inlineCompletionUniqueChars_(0),
                last_inset_(0), clickable_inset_(false),