ClassView: Optimize for loops

Change-Id: I429638e9eb3705a7ccf3c2a79bae1f0f58967893
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/plugins/classview/classviewparser.cpp

@@ -665,7 +665,7 @@ void Parser::resetData(const CPlusPlus::Snapshot &snapshot)
     // copy snapshot's documents
     CPlusPlus::Snapshot::const_iterator cur = snapshot.begin();
     CPlusPlus::Snapshot::const_iterator end = snapshot.end();
-    for (; cur != end; cur++)
+    for (; cur != end; ++cur)
         d->documentList[cur.key()] = cur.value();
 
     d->docLocker.unlock();

src/plugins/classview/classviewparsertreeitem.cpp

@@ -135,7 +135,7 @@ void ParserTreeItem::copyTree(const ParserTreeItem::ConstPtr &target)
     QHash<SymbolInformation, ParserTreeItem::Ptr>::const_iterator end =
             target->d->symbolInformations.constEnd();
 
-    for (; cur != end; cur++) {
+    for (; cur != end; ++cur) {
         ParserTreeItem::Ptr item(new ParserTreeItem());
         item->copyTree(cur.value());
         appendChild(item, cur.key());