use CXX compiler for c++ files

native_client_sdk/src/examples/file_histogram/file_histogram.cc

Index: native_client_sdk/src/examples/file_histogram/file_histogram.cc
diff --git a/native_client_sdk/src/examples/file_histogram/file_histogram.cc b/native_client_sdk/src/examples/file_histogram/file_histogram.cc
index 4909a9c666708cc2b1e856af0da11c5fc9eb8837..9a7a7848d606054ea8e25517d324d5252cb82476 100644
--- a/native_client_sdk/src/examples/file_histogram/file_histogram.cc
+++ b/native_client_sdk/src/examples/file_histogram/file_histogram.cc
@@ -42,6 +42,13 @@
 #undef PostMessage
 #endif
 
+#ifdef _MSC_VER

[binji, 2012/10/12 23:05:59]

let's be consistent about whether we use _MSC_VER or WIN32 to check for Windows.

+// Allow 'this' in initializer list
+#pragma warning(disable : 4355)
+// Disable warning about behaviour of array initialization.
+#pragma warning(disable : 4351)
+#endif
+
 namespace {
 
 const uint32_t kBlue = 0xff4040ffu;