[LyX/master] Fix unintialized variables spotted by coverity

[Jean-Marc Lasgouttes]

commit e263fe8e03b9b506e8355e5a11cb3ec717c29592
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Sun Feb 20 17:02:04 2022 +0100

    Fix unintialized variables spotted by coverity
    
    The InsetWrap case happens in decodeInsetParaps (InsetCommand.cpp),
    where the default constructor is invoked. In this case, lines was not
    initialized.
---
 src/insets/InsetWrap.cpp  |    4 ----
 src/insets/InsetWrap.h    |    8 ++++----
 src/mathed/MathParser.cpp |    2 +-
 3 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/src/insets/InsetWrap.cpp b/src/insets/InsetWrap.cpp
index c862b17..8987405 100644
--- a/src/insets/InsetWrap.cpp
+++ b/src/insets/InsetWrap.cpp
@@ -47,10 +47,6 @@ InsetWrap::InsetWrap(Buffer * buf, string const & type)
        : InsetCaptionable(buf)
 {
        setCaptionType(type);
-       params_.lines = 0;
-       params_.placement = "o";
-       params_.overhang = Length(0, Length::PCW);
-       params_.width = Length(50, Length::PCW);
 }
 
 
diff --git a/src/insets/InsetWrap.h b/src/insets/InsetWrap.h
index 02e0a20..a44821e 100644
--- a/src/insets/InsetWrap.h
+++ b/src/insets/InsetWrap.h
@@ -30,13 +30,13 @@ public:
        ///
        std::string type;
        ///
-       int lines;
+       int lines = 0;
        ///
-       std::string placement;
+       std::string placement = "o";
        ///
-       Length overhang;
+       Length overhang = Length(0, Length::PCW);
        ///
-       Length width;
+       Length width = Length(50, Length::PCW);
 };
 
 
diff --git a/src/mathed/MathParser.cpp b/src/mathed/MathParser.cpp
index 6d1b747..0ba3375 100644
--- a/src/mathed/MathParser.cpp
+++ b/src/mathed/MathParser.cpp
@@ -1369,7 +1369,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                        // otherwise parse it as an user macro
                        MathData count;
                        parse(count, FLAG_ITEM, mode);
-                       int cols;
+                       int cols = 0;
                        // limit arbitrarily to 100 columns
                        if (extractNumber(count, cols) && cols > 0 && cols < 
100) {
                                // resize the table if necessary
-- 
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