try to limit the #defines (of fseeko to fseek and ftello to ftell) to just the versions of MSVC that appear not to have fseeko()/ftello()
diff --git a/src/libFLAC/stream_encoder.c b/src/libFLAC/stream_encoder.c
index 50d792f..ead38c0 100644
--- a/src/libFLAC/stream_encoder.c
+++ b/src/libFLAC/stream_encoder.c
@@ -50,10 +50,11 @@
#include <string.h> /* for memcpy() */
#include <sys/types.h> /* for off_t */
#if defined _MSC_VER || defined __MINGW32__
-/*@@@ [2G limit] hacks for MSVC6 */
+#if _MSC_VER <= 1200 /* @@@ [2G limit] */
#define fseeko fseek
#define ftello ftell
#endif
+#endif
#include "FLAC/assert.h"
#include "FLAC/stream_decoder.h"
#include "protected/stream_encoder.h"