Regularize header file comments

llvm-svn: 9071
diff --git a/llvm/lib/Analysis/Expressions.cpp b/llvm/lib/Analysis/Expressions.cpp
index 7733b81..6692206 100644
--- a/llvm/lib/Analysis/Expressions.cpp
+++ b/llvm/lib/Analysis/Expressions.cpp
@@ -1,4 +1,4 @@
-//===- Expressions.cpp - Expression Analysis Utilities ----------------------=//
+//===- Expressions.cpp - Expression Analysis Utilities --------------------===//
 //
 // This file defines a package of expression analysis utilties:
 //