[clang-tools-extra] [clang-tidy] Add missing #include insertion in macros for modernize-use-std-format (PR #188247)

[Victor Chernyakin via cfe-commits]

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@@ -0,0 +1,21 @@
+// RUN: %check_clang_tidy -std=c++20-or-later %s modernize-use-std-format %t -- \
+// RUN:   -config="{CheckOptions: { \
+// RUN:              modernize-use-std-format.StrFormatLikeFunctions: 'String::Printf', \
+// RUN:              modernize-use-std-format.ReplacementFormatFunction: 'fmt::format', \
+// RUN:              modernize-use-std-format.FormatHeader: '<fmt/format.h>' \
+// RUN:            }}"
+
+#include <string>
+// CHECK-FIXES: #include <fmt/format.h>
+
+namespace String {
+extern std::string Printf(const char *format, ...);
----------------
localspook wrote:

```suggestion
std::string Printf(const char *format, ...);
```

https://github.com/llvm/llvm-project/pull/188247