Perform some initializations in initialization list

Fixes some variable is assigned in constructor body. Consider performing
initialization in initialization list. (CWE-398)

generators/chm/lib/ebook_chm.cpp

@@ -28,15 +28,13 @@
 
 EBook_CHM::EBook_CHM()
     : EBook()
+    , m_chmFile(nullptr)
+    , m_detectedLCID(0)
+    , m_textCodec(nullptr)
+    , m_textCodecForSpecialFiles(nullptr)
+    , m_currentEncoding(QStringLiteral("UTF-8"))
+    , m_envOptions(QString::fromLatin1(qgetenv("KCHMVIEWEROPTS")))
 {
-    m_envOptions = QString::fromLatin1(qgetenv("KCHMVIEWEROPTS"));
-    m_chmFile = nullptr;
-    m_filename = m_font = QString();
-
-    m_textCodec = nullptr;
-    m_textCodecForSpecialFiles = nullptr;
-    m_detectedLCID = 0;
-    m_currentEncoding = QStringLiteral("UTF-8");
 }
 
 EBook_CHM::~EBook_CHM()

generators/dvi/anchor.h

@@ -30,8 +30,8 @@ class Anchor
 public:
     /** \brief Constructs an anchor that points to an invalid page */
     Anchor()
+        : page(0)
     {
-        page = 0;
     }
 
     /** \brief Constructs an anchor that points to a given position on a

generators/dvi/prebookmark.h

@@ -23,10 +23,10 @@ public:
         noOfChildren = 0;
     }
     PreBookmark(const QString &t, const QString &a, quint16 n)
+        : title(t)
+        , anchorName(a)
+        , noOfChildren(n)
     {
-        title = t;
-        anchorName = a;
-        noOfChildren = n;
     }
 
     // Title of the bookmark

generators/dvi/simplePageSize.h

@@ -48,9 +48,9 @@ public:
         @param height
     */
     SimplePageSize(const Length width, const Length height)
+        : pageWidth(width)
+        , pageHeight(height)
     {
-        pageWidth = width;
-        pageHeight = height;
     }
 
     ~SimplePageSize()

gui/certificatemodel.cpp

@@ -17,9 +17,9 @@
 
 CertificateModel::CertificateModel(const Okular::CertificateInfo &certInfo, QObject *parent)
     : QAbstractTableModel(parent)
+    , m_certificateProperties({Version, SerialNumber, Issuer, IssuedOn, ExpiresOn, Subject, PublicKey, KeyUsage})
     , m_certificateInfo(certInfo)
 {
-    m_certificateProperties = {Version, SerialNumber, Issuer, IssuedOn, ExpiresOn, Subject, PublicKey, KeyUsage};
 }
 
 int CertificateModel::columnCount(const QModelIndex &) const