More Qt6 porting

Change-Id: I96bef1772149eb718e250563c65bf5da7259d9d6
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/clangformat/clangformatbaseindenter.cpp

@@ -332,7 +332,7 @@ Utils::Text::Replacements utf16Replacements(const QTextDocument *doc,
         if (isInsideDummyTextInLine(lineText, bufferLineText, lineColUtf16.column))
             continue;
 
-        lineColUtf16.column = std::min(lineColUtf16.column, lineText.length() + 1);
+        lineColUtf16.column = std::min(lineColUtf16.column, int(lineText.length()) + 1);
 
         const int utf16Offset = Utils::Text::positionInText(doc,
                                                             lineColUtf16.line,

src/plugins/help/helpindexfilter.h

@@ -30,6 +30,8 @@
 #include <QIcon>
 #include <QMultiMap>
 #include <QMutex>
+#include <QSet>
+#include <QUrl>
 
 namespace Help {
 namespace Internal {

src/plugins/languageclient/documentsymbolcache.h

@@ -28,8 +28,11 @@
 #include "utils/optional.h"
 
 #include <languageserverprotocol/languagefeatures.h>
+#include <languageserverprotocol/lsptypes.h>
 
+#include <QMap>
 #include <QObject>
+#include <QSet>
 #include <QTimer>
 
 namespace LanguageClient {

src/plugins/languageclient/locatorfilter.h

@@ -32,6 +32,8 @@
 #include <languageserverprotocol/languagefeatures.h>
 #include <languageserverprotocol/workspace.h>
 
+#include <QVector>
+
 namespace Core { class IEditor; }
 
 namespace LanguageClient {