Update test to fix windows buildbot.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139513 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGenCXX/debug-info-char16.cpp

@@ -1,5 +1,8 @@
 // RUN: %clang_cc1 -S -std=c++0x -masm-verbose -g %s -o -| FileCheck %s
 
-//CHECK:	.byte	16                      ## DW_AT_encoding
+//CHECK:	.byte	16
+//CHECK-NEXT: 	.ascii	 "char16_t"
+
+// 16 is DW_ATE_UTF (0x10) encoding attribute.
 char16_t char_a = u'h';