Merge commit '4c8bd8dd'

* commit '4c8bd8dd':
  os_support: Adjust an outdated #endif comment
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/os_support.h

@@ -45,7 +45,7 @@
 #   undef fstat
 #  endif
 #  define fstat(f,s) _fstati64((f), (s))
-#endif /* defined(__MINGW32__) && !defined(__MINGW32CE__) */
+#endif /* defined(_WIN32) && !defined(__MINGW32CE__) */
 
 #ifdef _WIN32
 #if HAVE_DIRECT_H