remove Emacs-tag form .cpp files in Mips Backend, and fix some typo.

llvm-svn: 150805
diff --git a/llvm/lib/Target/Mips/MipsTargetMachine.cpp b/llvm/lib/Target/Mips/MipsTargetMachine.cpp
index b38807e..ff766fa 100644
--- a/llvm/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/llvm/lib/Target/Mips/MipsTargetMachine.cpp
@@ -1,4 +1,4 @@
-//===-- MipsTargetMachine.cpp - Define TargetMachine for Mips --*- C++ -*--===//
+//===-- MipsTargetMachine.cpp - Define TargetMachine for Mips -------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //