Fix a few typos in error messages (doesn't effect translations).

src/Decoder_FLAC.cpp

@@ -33,7 +33,7 @@ FLACDecoder::FLACDecoder(void)
 {
 	if(m_binary.isEmpty())
 	{
-		throw "Error initializing Vorbis decoder. Tool 'flac.exe' is not registred!";
+		throw "Error initializing FLAC decoder. Tool 'flac.exe' is not registred!";
 	}
 }
 

src/Decoder_MP3.cpp

@@ -33,7 +33,7 @@ MP3Decoder::MP3Decoder(void)
 {
 	if(m_binary.isEmpty())
 	{
-		throw "Error initializing MPG123 decoder. Tool 'oggdec.exe' is not registred!";
+		throw "Error initializing MPG123 decoder. Tool 'mpg123.exe' is not registred!";
 	}
 }
 

src/Decoder_Musepack.cpp

@@ -34,7 +34,7 @@ MusepackDecoder::MusepackDecoder(void)
 {
 	if(m_binary.isEmpty())
 	{
-		throw "Error initializing WavPack decoder. Tool 'mpcdec.exe' is not registred!";
+		throw "Error initializing Musepack decoder. Tool 'mpcdec.exe' is not registred!";
 	}
 }
 

src/Decoder_Shorten.cpp

@@ -34,7 +34,7 @@ ShortenDecoder::ShortenDecoder(void)
 {
 	if(m_binary.isEmpty())
 	{
-		throw "Error initializing WavPack decoder. Tool 'shorten.exe' is not registred!";
+		throw "Error initializing Shorten decoder. Tool 'shorten.exe' is not registred!";
 	}
 }
 
@@ -75,7 +75,7 @@ bool ShortenDecoder::decode(const QString &sourceFile, const QString &outputFile
 		if(!process.bytesAvailable() && process.state() == QProcess::Running)
 		{
 			process.kill();
-			qWarning("MpcDec process timed out <-- killing!");
+			qWarning("Shorten process timed out <-- killing!");
 			bTimeout = true;
 			break;
 		}

src/Decoder_Speex.cpp

@@ -33,7 +33,7 @@ SpeexDecoder::SpeexDecoder(void)
 {
 	if(m_binary.isEmpty())
 	{
-		throw "Error initializing Vorbis decoder. Tool 'speexdec.exe' is not registred!";
+		throw "Error initializing Speex decoder. Tool 'speexdec.exe' is not registred!";
 	}
 }