Apply #397 to glog/logging.h.in

windows/glog/logging.h is expected to be generated by
src/windows/preprocess.sh and should not be modified directly.
diff --git a/src/glog/logging.h.in b/src/glog/logging.h.in
index 448253f..2f0722d 100644
--- a/src/glog/logging.h.in
+++ b/src/glog/logging.h.in
@@ -1147,14 +1147,9 @@
   // 2005 if you are deriving from a type in the Standard C++ Library"
   // http://msdn.microsoft.com/en-us/library/3tdb471s(VS.80).aspx
   // Let's just ignore the warning.
-#ifdef _MSC_VER
-# pragma warning(push)
-# pragma warning(disable: 4275)
-#endif
+GLOG_MSVC_PUSH_DISABLE_WARNING(4275)
   class GOOGLE_GLOG_DLL_DECL LogStream : public std::ostream {
-#ifdef _MSC_VER
-# pragma warning(pop)
-#endif
+GLOG_MSVC_POP_WARNING()
   public:
     LogStream(char *buf, int len, int ctr)
         : std::ostream(NULL),
diff --git a/src/windows/glog/logging.h b/src/windows/glog/logging.h
index d799156..df80329 100755
--- a/src/windows/glog/logging.h
+++ b/src/windows/glog/logging.h
@@ -1151,14 +1151,9 @@
   // 2005 if you are deriving from a type in the Standard C++ Library"
   // http://msdn.microsoft.com/en-us/library/3tdb471s(VS.80).aspx
   // Let's just ignore the warning.
-#ifdef _MSC_VER
-# pragma warning(push)
-# pragma warning(disable: 4275)
-#endif
+GLOG_MSVC_PUSH_DISABLE_WARNING(4275)
   class GOOGLE_GLOG_DLL_DECL LogStream : public std::ostream {
-#ifdef _MSC_VER
-# pragma warning(pop)
-#endif
+GLOG_MSVC_POP_WARNING()
   public:
     LogStream(char *buf, int len, int ctr)
         : std::ostream(NULL),