[LyX/master] Initialize members spotted by coverity

[Jean-Marc Lasgouttes]

commit f0ab93c4b80a675f4b2078afdd9bca75230ad267
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Wed Mar 8 16:37:26 2017 +0100

    Initialize members spotted by coverity
---
 src/lyxfind.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/lyxfind.h b/src/lyxfind.h
index 781411c..727b17f 100644
--- a/src/lyxfind.h
+++ b/src/lyxfind.h
@@ -102,7 +102,8 @@ public:
                SearchRestriction restr = R_EVERYTHING
        );
        FindAndReplaceOptions() : casesensitive(false), matchword(false), 
forward(false),
-                                 expandmacros(false), ignoreformat(false) {}
+                                 expandmacros(false), ignoreformat(false),
+                                                         keep_case(false), 
scope(S_BUFFER), restr(R_EVERYTHING) {}
        docstring find_buf_name;
        bool casesensitive;
        bool matchword;