Relax pointer output test to accept glibc's output.  Patch supplied by Jeffrey Yasskin.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@150927 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_pointer.pass.cpp b/test/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_pointer.pass.cpp
index c3769d8..3303db9 100644
--- a/test/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_pointer.pass.cpp
+++ b/test/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_pointer.pass.cpp
@@ -38,6 +38,6 @@
         char str[50];
         output_iterator<char*> iter = f.put(output_iterator<char*>(str), ios, '*', v);
         std::string ex(str, iter.base());
-        assert(ex == "0x0");
+        assert(ex == "0x0" || ex == "(nil)");
     }
 }