InstrProf: Change this triple back to %itanium_abi_triple

In my rush to fix the linux bots in r237805, I accidentally committed
a change to the triple. Revert that part.

llvm-svn: 237806
diff --git a/clang/test/Profile/cxx-virtual-destructor-calls.cpp b/clang/test/Profile/cxx-virtual-destructor-calls.cpp
index 532021d..35975c2 100644
--- a/clang/test/Profile/cxx-virtual-destructor-calls.cpp
+++ b/clang/test/Profile/cxx-virtual-destructor-calls.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -main-file-name cxx-virtual-destructor-calls.cpp %s -o - -fprofile-instr-generate | FileCheck %s
+// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -main-file-name cxx-virtual-destructor-calls.cpp %s -o - -fprofile-instr-generate | FileCheck %s
 
 struct Member {
   ~Member();