ClangFormat: Fix build for LLVM 15.0.0

This fixes the CMake build of Qt Creator against LLVM 15.0.0

Change-Id: Icecd45821091c8c2b565246cb17ce5a6e5c49f36
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/clangformat/CMakeLists.txt

@@ -13,6 +13,8 @@ add_qtc_plugin(ClangFormat
     clangformatplugin.cpp clangformatplugin.h
     clangformatsettings.cpp clangformatsettings.h
     clangformatutils.cpp clangformatutils.h
+  EXPLICIT_MOC
+    clangformatconfigwidget.cpp clangformatconfigwidget.h
 )
 
 if(TARGET ClangFormat)

src/plugins/clangformat/clangformatutils.cpp

@@ -118,7 +118,9 @@ clang::format::FormatStyle qtcStyle()
     style.ColumnLimit = 100;
     style.CommentPragmas = "^ IWYU pragma:";
     style.CompactNamespaces = false;
+#if LLVM_VERSION_MAJOR < 15
     style.ConstructorInitializerAllOnOneLineOrOnePerLine = false;
+#endif
     style.ConstructorInitializerIndentWidth = 4;
     style.ContinuationIndentWidth = 4;
     style.Cpp11BracedListStyle = true;