clang/test/Analysis/stats.c: Fix up r151656.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151695 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/stats.c b/test/Analysis/stats.c
index 79cc7c3..8ba8121 100644
--- a/test/Analysis/stats.c
+++ b/test/Analysis/stats.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-stats %s > FileCheck %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-stats %s 2>&1 | FileCheck %s
 
 void foo() {
   int x;