Fix failing test case.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67147 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/cleanup-stack.c b/test/CodeGen/cleanup-stack.c
index 360f6e7..cc734e6 100644
--- a/test/CodeGen/cleanup-stack.c
+++ b/test/CodeGen/cleanup-stack.c
@@ -1,5 +1,5 @@
 // RUN: clang -emit-llvm %s -o %t &&
-// RUN: grep "store i32 0, i32* %cleanup" %t | count 2
+// RUN: grep "store i32 0, i32\* %cleanup" %t | count 2
 void f(int n) {
   int a[n];