some formatting errors

Author: ThanSin02426

libc/shared/math/bf16divf128.h

@@ -1,4 +1,5 @@
-//===-- Shared bf16divf128 function -------------------------------*- C++ -*-===//
+//===-- Shared bf16divf128 function -------------------------------*- C++
+//-*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.