Prefer default constructor for flags

src/collection/testentry.cpp

@@ -20,7 +20,7 @@ TestEntry::TestEntry(KEduVocExpression *entry)
     , m_shouldChangeGrades(false)
     , m_isUnseenQuestion(false)
     , m_lastPercentage(0.0)
-    , m_lastError(0)
+    , m_lastError()
 {}
 
 void TestEntry::setLanguageFrom(int from)

src/practice/writtenpracticevalidator.cpp

@@ -33,7 +33,7 @@ using namespace Practice;
 WrittenPracticeValidator::WrittenPracticeValidator(int translation, KEduVocDocument* doc)
     : m_entry(0),
       m_doc(doc),
-      m_error(0),
+      m_error(),
       m_speller(0),
       m_spellerAvailable(false)
 {