Use swprintf_s for VC8 or newer. r=mento

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@238 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/common/windows/string_utils-inl.h

@@ -56,6 +56,10 @@
 // _snwprintf when using older CRTs.
 #if _MSC_VER < 1400  // MSVC 2005/8
 #define swprintf _snwprintf
+#else
+// For MSVC8 and newer, swprintf_s is the recommended method. Conveniently,
+// it takes the same argument list as swprintf.
+#define swprintf swprintf_s
 #endif  // MSC_VER < 1400
 
 namespace google_breakpad {