Fixup C++ style comments are not allowed in ISO C90 to classic C style.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@78152 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/eprintf.c b/lib/eprintf.c
index 56d6c18..8d9ce32 100644
--- a/lib/eprintf.c
+++ b/lib/eprintf.c
@@ -1,11 +1,12 @@
-//===---------- eprintf.c - Implements __eprintf --------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
+/* ===---------- eprintf.c - Implements __eprintf --------------------------===
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ * ===----------------------------------------------------------------------===
+ */
 
 
 
@@ -13,14 +14,14 @@
 #include <stdlib.h>
 
 
-//
-// __eprintf() was used in an old version of <assert.h>.
-// It can eventually go away, but it is needed when linking
-// .o files built with the old <assert.h>.
-//
-// It should never be exported from a dylib, so it is marked
-// visibility hidden.
-//
+/*
+ * __eprintf() was used in an old version of <assert.h>.
+ * It can eventually go away, but it is needed when linking
+ * .o files built with the old <assert.h>.
+ *
+ * It should never be exported from a dylib, so it is marked
+ * visibility hidden.
+ */
 __attribute__((visibility("hidden")))
 void __eprintf(const char* format, const char* assertion_expression,
 				const char* line, const char* file)