[libc-commits] [libc] [libc][math] Fix -Wc++23-extensions warnings in erfcf16 and erff16. (PR #215613)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- libc/src/__support/math/erfcf16.h libc/src/__support/math/erff16.h libc/src/math/erff16.h libc/test/src/math/erfcf16_test.cpp libc/test/src/math/erff16_test.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/libc/src/math/erff16.h b/libc/src/math/erff16.h
index 189bef5e4..d5e57f68a 100644
--- a/libc/src/math/erff16.h
+++ b/libc/src/math/erff16.h
@@ -13,12 +13,12 @@
 #include "src/__support/macros/properties/types.h"
 
 #ifndef float16
-  #if defined (__clang__) || defined (__GNUC__)
-    typedef _Float16 float16;
-  #else
-    #include <stdfloat>
-    typedef std::float16_t float16;
-  #endif
+#if defined(__clang__) || defined(__GNUC__)
+typedef _Float16 float16;
+#else
+#include <stdfloat>
+typedef std::float16_t float16;
+#endif
 #endif
 
 namespace LIBC_NAMESPACE_DECL {

``````````

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https://github.com/llvm/llvm-project/pull/215613