more format fixes

Author: Tony Tao

llvm/lib/Target/SystemZ/MCTargetDesc/SystemZGNUInstPrinter.h

@@ -1,14 +1,14 @@
-//==- SystemZGNUInstPrinter.h - Convert SystemZ MCInst to assembly -*- C++ -*-==//
+//=- SystemZGNUInstPrinter.h - Convert SystemZ MCInst to assembly -*- C++ -*-=//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
-//===------------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // This class prints a SystemZ MCInst to a .s file in GNU assembly format.
 //
-//===------------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
 
 #ifndef LLVM_LIB_TARGET_SYSTEMZ_MCTARGETDESC_SYSTEMZGNUINSTPRINTER_H
 #define LLVM_LIB_TARGET_SYSTEMZ_MCTARGETDESC_SYSTEMZGNUINSTPRINTER_H

llvm/lib/Target/SystemZ/MCTargetDesc/SystemZHLASMInstPrinter.cpp

@@ -1,10 +1,10 @@
-//===- SystemZHLASMInstPrinter.cpp - Convert SystemZ MCInst to HLASM assembly -==//
+//=- SystemZHLASMInstPrinter.cpp - Convert SystemZ MCInst to HLASM assembly -=//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
-//===--------------------------------------------------------------------------==//
+//===----------------------------------------------------------------------===//
 
 #include "SystemZHLASMInstPrinter.h"
 #include "llvm/MC/MCInst.h"