'count' parameter for AddStereoSamples and AddStereoSamplesBE in Wave…

…File should be unsigned. Doesn't make sense to have them signed.

Source/Core/AudioCommon/Src/WaveFile.cpp

@@ -100,39 +100,52 @@ void WaveFileWriter::Write4(const char *ptr)
 	file.WriteBytes(ptr, 4);
 }
 
-void WaveFileWriter::AddStereoSamples(const short *sample_data, int count)
+void WaveFileWriter::AddStereoSamples(const short *sample_data, u32 count)
 {
 	if (!file)
 		PanicAlertT("WaveFileWriter - file not open.");
-	if (skip_silence) {
+
+	if (skip_silence)
+	{
 		bool all_zero = true;
-		for (int i = 0; i < count * 2; i++)
-			if (sample_data[i]) all_zero = false;
-		if (all_zero) return;
+
+		for (u32 i = 0; i < count * 2; i++)
+		{
+			if (sample_data[i])
+				all_zero = false;
+		}
+
+		if (all_zero)
+			return;
 	}
+
 	file.WriteBytes(sample_data, count * 4);
 	audio_size += count * 4;
 }
 
-void WaveFileWriter::AddStereoSamplesBE(const short *sample_data, int count)
+void WaveFileWriter::AddStereoSamplesBE(const short *sample_data, u32 count)
 {
 	if (!file)
 		PanicAlertT("WaveFileWriter - file not open.");
 
 	if (count > BUF_SIZE * 2)
-		PanicAlert("WaveFileWriter - buffer too small (count = %i).", count);
+		PanicAlert("WaveFileWriter - buffer too small (count = %u).", count);
 
 	if (skip_silence) 
 	{
 		bool all_zero = true;
-		for (int i = 0; i < count * 2; i++)
+
+		for (u32 i = 0; i < count * 2; i++)
+		{
 			if (sample_data[i])
 				all_zero = false;
+		}
+
 		if (all_zero)
 			return;
 	}
 
-	for (int i = 0; i < count * 2; i++)
+	for (u32 i = 0; i < count * 2; i++)
 		conv_buffer[i] = Common::swap16((u16)sample_data[i]);
 
 	file.WriteBytes(conv_buffer, count * 4);

Source/Core/AudioCommon/Src/WaveFile.h

@@ -50,8 +50,8 @@ class WaveFileWriter
 
 	void SetSkipSilence(bool skip) { skip_silence = skip; }
 
-	void AddStereoSamples(const short *sample_data, int count);
-	void AddStereoSamplesBE(const short *sample_data, int count);  // big endian
+	void AddStereoSamples(const short *sample_data, u32 count);
+	void AddStereoSamplesBE(const short *sample_data, u32 count);  // big endian
 	u32 GetAudioSize() { return audio_size; }
 };