Fix .cpp files claiming to be header files

llvm-svn: 211334
diff --git a/llvm/lib/Support/Program.cpp b/llvm/lib/Support/Program.cpp
index eb700e3..b84b82b 100644
--- a/llvm/lib/Support/Program.cpp
+++ b/llvm/lib/Support/Program.cpp
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-//  This header file implements the operating system Program concept.
+//  This file implements the operating system Program concept.
 //
 //===----------------------------------------------------------------------===//