Fix build with llvm-15
https://github.com/KDE/clazy/commit/20fca52da739ebefa47e35f6b338bb99a0da3cfe

Index: src/checkbase.h
--- src/checkbase.h.orig
+++ src/checkbase.h
@@ -91,7 +91,7 @@ class ClazyPreprocessorCallbacks (public)
     void Else(clang::SourceLocation loc, clang::SourceLocation ifLoc) override;
     void Endif(clang::SourceLocation loc, clang::SourceLocation ifLoc) override;
     void InclusionDirective(clang::SourceLocation HashLoc, const clang::Token &IncludeTok, clang::StringRef FileName, bool IsAngled,
-                            clang::CharSourceRange FilenameRange, const clang::FileEntry *File, clang::StringRef SearchPath,
+                            clang::CharSourceRange FilenameRange, clazy::OptionalFileEntryRef File, clang::StringRef SearchPath,
                             clang::StringRef RelativePath, const clang::Module *Imported, clang::SrcMgr::CharacteristicKind FileType) override;
 private:
     CheckBase *const check;
@@ -151,7 +151,7 @@ class CheckBase (protected)
     virtual void VisitElse(clang::SourceLocation loc, clang::SourceLocation ifLoc);
     virtual void VisitEndif(clang::SourceLocation loc, clang::SourceLocation ifLoc);
     virtual void VisitInclusionDirective(clang::SourceLocation HashLoc, const clang::Token &IncludeTok, clang::StringRef FileName, bool IsAngled,
-                            clang::CharSourceRange FilenameRange, const clang::FileEntry *File, clang::StringRef SearchPath,
+                            clang::CharSourceRange FilenameRange, clazy::OptionalFileEntryRef File, clang::StringRef SearchPath,
                             clang::StringRef RelativePath, const clang::Module *Imported, clang::SrcMgr::CharacteristicKind FileType);
 
     void enablePreProcessorCallbacks();