[test-suite,CUDA] Add #include <stdio.h> to test_round.cu to fix a build error.

Subscribers: jlebar, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D60168

llvm-svn: 357622

Author: bixia1

External/CUDA/test_round.cu

@@ -6,8 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include <iostream>
 #include <cassert>
+#include <stdio.h>
 
 // Test the implementation of llvm intrinsic round. In particular, when the
 // source is equidistant between two integers, it rounds away from zero.