minor comments

src/libFLAC/include/private/lpc.h

@@ -45,7 +45,7 @@
  *	FLAC__lpc_window_data()
  *	--------------------------------------------------------------------
  *	Applies the given window to the data.
- *  @@@@@@ asm optimize
+ *  @@@ asm optimize
  *
  *	IN in[0,data_len-1]
  *	IN window[0,data_len-1]

src/libFLAC/metadata_iterators.c

@@ -2835,6 +2835,7 @@ FLAC__bool transport_tempfile_(const char *filename, FILE **tempfile, char **tem
 	*tempfile = 0;
 
 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
+	/* on some flavors of windows, rename() will fail if the destination already exists */
 	if(unlink(filename) < 0) {
 		cleanup_tempfile_(tempfile, tempfilename);
 		*status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_UNLINK_ERROR;

src/test_libFLAC++/metadata_manip.cpp

@@ -224,6 +224,7 @@ bool transport_tempfile_(const char *filename, FILE **tempfile, char **tempfilen
 	}
 
 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
+	/* on some flavors of windows, rename() will fail if the destination already exists */
 	if(unlink(filename) < 0) {
 		cleanup_tempfile_(tempfile, tempfilename);
 		return false;

src/test_libFLAC/metadata_manip.c

@@ -211,6 +211,7 @@ FLAC__bool transport_tempfile_(const char *filename, FILE **tempfile, char **tem
 	}
 
 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
+	/* on some flavors of windows, rename() will fail if the destination already exists */
 	if(unlink(filename) < 0) {
 		cleanup_tempfile_(tempfile, tempfilename);
 		return false;