test/PCH/remap-file-from-pch.cpp: Fix expression for DOS pathsep.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156153 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/PCH/remap-file-from-pch.cpp b/test/PCH/remap-file-from-pch.cpp
index f8a4cbe..8b965cf 100644
--- a/test/PCH/remap-file-from-pch.cpp
+++ b/test/PCH/remap-file-from-pch.cpp
@@ -6,5 +6,5 @@
 const char *str = STR;
 int ge = zool;
 
-// CHECK: file '{{.*}}/remap-file-from-pch.cpp.h' from the precompiled header has been overridden
+// CHECK: file '{{.*[/\\]}}remap-file-from-pch.cpp.h' from the precompiled header has been overridden
 // CHECK: use of undeclared identifier 'zool'