Adds mutable_impl() and impl() to PolymorphicMatcher (by Zhanyong Wan); Enables gMock to compile with VC 7.1 (by Vlad Losev).

src/gmock-printers.cc

@@ -55,10 +55,12 @@ namespace {
 
 using ::std::ostream;
 
-#ifdef _WIN32_WCE
+#ifdef _WIN32_WCE  // Windows CE does not define _snprintf_s.
 #define snprintf _snprintf
-#elif GTEST_OS_WINDOWS
+#elif _MSC_VER >= 1400  // VC 8.0 and later deprecate snprintf and _snprintf.
 #define snprintf _snprintf_s
+#elif _MSC_VER
+#define snprintf _snprintf
 #endif
 
 // Prints a segment of bytes in the given object.