[llvm-mca] Clean up the header comment. NFC.
This change removes a few dashes to make room for the header syntax string.
llvm-svn: 334770
diff --git a/llvm/tools/llvm-mca/RetireControlUnitStatistics.h b/llvm/tools/llvm-mca/RetireControlUnitStatistics.h
index 0d4d11f..e10c662 100644
--- a/llvm/tools/llvm-mca/RetireControlUnitStatistics.h
+++ b/llvm/tools/llvm-mca/RetireControlUnitStatistics.h
@@ -1,5 +1,4 @@
-//===--------------------- RetireControlUnitStatistics.h ------------------*-
-//C++ -*-===//
+//===--------------------- RetireControlUnitStatistics.h --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//