diff -Nur audiofile-0.3.6-orig/test/NeXT.cpp audiofile-0.3.6/test/NeXT.cpp

--- audiofile-0.3.6-orig/test/NeXT.cpp	2013-02-11 18:23:26.000000000 +0100

+++ audiofile-0.3.6/test/NeXT.cpp	2016-02-04 10:37:32.457140823 +0100

@@ -37,13 +37,13 @@

 #include "TestUtilities.h"

-const char kDataUnspecifiedLength[] =

+const signed char kDataUnspecifiedLength[] =

 {

 	'.', 's', 'n', 'd',

 	0, 0, 0, 24, // offset of 24 bytes

-	0xff, 0xff, 0xff, 0xff, // unspecified length

+	-1, -1, -1, -1, // unspecified length

 	0, 0, 0, 3, // 16-bit linear

-	0, 0, 172, 68, // 44100 Hz

+	0, 0, -84, 68, // 44100 Hz (0xAC44)

 	0, 0, 0, 1, // 1 channel

 	0, 1,

 	0, 1,

@@ -57,13 +57,13 @@

 	0, 55

 };

-const char kDataTruncated[] =

+const signed char kDataTruncated[] =

 {

 	'.', 's', 'n', 'd',

 	0, 0, 0, 24, // offset of 24 bytes

 	0, 0, 0, 20, // length of 20 bytes

 	0, 0, 0, 3, // 16-bit linear

-	0, 0, 172, 68, // 44100 Hz

+	0, 0, -84, 68, // 44100 Hz (0xAC44)

 	0, 0, 0, 1, // 1 channel

 	0, 1,

 	0, 1,

@@ -152,13 +152,13 @@

 	ASSERT_EQ(::unlink(testFileName.c_str()), 0);

 }

-const char kDataZeroChannels[] =

+const signed char kDataZeroChannels[] =

 {

 	'.', 's', 'n', 'd',

 	0, 0, 0, 24, // offset of 24 bytes

 	0, 0, 0, 2, // 2 bytes

 	0, 0, 0, 3, // 16-bit linear

-	0, 0, 172, 68, // 44100 Hz

+	0, 0, -84, 68, // 44100 Hz (0xAC44)

 	0, 0, 0, 0, // 0 channels

 	0, 1

 };