Initialize some instance variables in ctor.

Discovered by Coverity.

Most likely doesn't fix any actual bug but better be safe.

src/format/KeePass1Reader.cpp

@@ -49,7 +49,12 @@ private:
 
 
 KeePass1Reader::KeePass1Reader()
-    : m_error(false)
+    : m_db(Q_NULLPTR)
+    , m_tmpParent(Q_NULLPTR)
+    , m_device(Q_NULLPTR)
+    , m_encryptionFlags(0)
+    , m_transformRounds(0)
+    , m_error(false)
 {
 }
 

src/format/KeePass2Reader.cpp

@@ -33,8 +33,12 @@
 #include "streams/SymmetricCipherStream.h"
 
 KeePass2Reader::KeePass2Reader()
-    : m_error(false)
+    : m_device(Q_NULLPTR)
+    , m_headerStream(Q_NULLPTR)
+    , m_error(false)
+    , m_headerEnd(false)
     , m_saveXml(false)
+    , m_db(Q_NULLPTR)
 {
 }
 

src/format/KeePass2XmlReader.cpp

@@ -34,6 +34,7 @@ KeePass2XmlReader::KeePass2XmlReader()
     : m_randomStream(Q_NULLPTR)
     , m_db(Q_NULLPTR)
     , m_meta(Q_NULLPTR)
+    , m_tmpParent(Q_NULLPTR)
     , m_error(false)
     , m_strictMode(false)
 {

src/streams/SymmetricCipherStream.cpp

@@ -24,6 +24,7 @@ SymmetricCipherStream::SymmetricCipherStream(QIODevice* baseDevice, SymmetricCip
     , m_bufferPos(0)
     , m_bufferFilling(false)
     , m_error(false)
+    , m_isInitalized(false)
 {
 }