Code style and Readability fixes. Credit to Craig van Vliet.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@78403 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/paritysi2.c b/lib/paritysi2.c
index c38f9cf..ba05782 100644
--- a/lib/paritysi2.c
+++ b/lib/paritysi2.c
@@ -1,19 +1,20 @@
-//===-- paritysi2.c - Implement __paritysi2 -------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements __paritysi2 for the compiler_rt library.
-//
-//===----------------------------------------------------------------------===//
+/* ===-- paritysi2.c - Implement __paritysi2 -------------------------------===
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ * ===----------------------------------------------------------------------===
+ *
+ * This file implements __paritysi2 for the compiler_rt library.
+ *
+ * ===----------------------------------------------------------------------===
+ */
 
 #include "int_lib.h"
 
-// Returns: 1 if number of bits is odd else returns 0
+/* Returns: 1 if number of bits is odd else returns 0 */
 
 si_int
 __paritysi2(si_int a)