format header file

Author: optimisan

llvm/lib/Target/AMDGPU/SIOptimizeExecMaskingPreRA.h

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