[clang-tools-extra] [clang-tidy] fix fasle negatives in readability-redundant-casting when cast function pointer (PR #170502)

[Baranov Victor via cfe-commits]

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@@ -9,6 +9,7 @@
 #include "RedundantCastingCheck.h"
 #include "../utils/FixItHintUtils.h"
 #include "clang/AST/ASTContext.h"
+#include "clang/AST/TypeBase.h"
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vbvictor wrote:

Is this needed?

https://github.com/llvm/llvm-project/pull/170502