Remove ambiguous literal 0 from createIndex calls.

This is now a build-error. The default value is a null void pointer anyway.

Change-Id: I92d0faf5152ec53c8e84ba4982c151a09aa33146
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/bookmarks/bookmarkmanager.cpp

@@ -344,7 +344,7 @@ QModelIndex BookmarkManager::index(int row, int column, const QModelIndex &paren
     if (parent.isValid())
         return QModelIndex();
     else
-        return createIndex(row, column, 0);
+        return createIndex(row, column);
 }
 
 QModelIndex BookmarkManager::parent(const QModelIndex &) const

src/plugins/projectexplorer/devicesupport/deviceprocesslist.cpp

@@ -78,7 +78,7 @@ bool DeviceProcessList::hasChildren(const QModelIndex &parent) const
 
 QModelIndex DeviceProcessList::index(int row, int column, const QModelIndex &parent) const
 {
-    return hasIndex(row, column, parent) ? createIndex(row, column, 0) : QModelIndex();
+    return hasIndex(row, column, parent) ? createIndex(row, column) : QModelIndex();
 }
 
 

src/plugins/projectexplorer/taskmodel.cpp

@@ -360,7 +360,7 @@ QModelIndex TaskFilterModel::index(int row, int column, const QModelIndex &paren
 {
     if (parent.isValid())
         return QModelIndex();
-    return createIndex(row, column, 0);
+    return createIndex(row, column);
 }
 
 QModelIndex TaskFilterModel::parent(const QModelIndex &child) const

src/plugins/valgrind/xmlprotocol/errorlistmodel.cpp

@@ -87,7 +87,7 @@ QModelIndex ErrorListModel::index(int row, int column, const QModelIndex &parent
         QTC_ASSERT(parent.model() == this, qt_noop());
         return QModelIndex();
     }
-    return createIndex(row, column, 0);
+    return createIndex(row, column);
 }
 
 QModelIndex ErrorListModel::parent(const QModelIndex &child) const