codec_kit: Style fixes

* Remove superfluous newlines at EOF.
* Add newlines in file's head.

src/kits/codec/AdapterIO.cpp

@@ -4,6 +4,7 @@
  *
  */
 
+
 #include "AdapterIO.h"
 
 #include <MediaIO.h>

src/kits/codec/DecoderPlugin.cpp

@@ -3,6 +3,7 @@
  * Distributed under the terms of the MIT License.
  */
 
+
 #include "DecoderPlugin.h"
 
 #include <stdio.h>
@@ -47,14 +48,13 @@ Decoder::Perform(perform_code code, void* _data)
 	return B_OK;
 }
 
+
 void Decoder::_ReservedDecoder1() {}
 void Decoder::_ReservedDecoder2() {}
 void Decoder::_ReservedDecoder3() {}
 void Decoder::_ReservedDecoder4() {}
 void Decoder::_ReservedDecoder5() {}
 
-//	#pragma mark -
-
 
 DecoderPlugin::DecoderPlugin()
 {

src/kits/codec/EncoderPlugin.cpp

@@ -4,6 +4,7 @@
  * Distributed under the terms of the MIT License.
  */
 
+
 #include "EncoderPlugin.h"
 
 #include <stdio.h>

src/kits/codec/MediaIO.cpp

@@ -4,6 +4,7 @@
  *
  */
 
+
 #include <MediaIO.h>
 
 

src/kits/codec/MediaWriter.cpp

@@ -18,7 +18,6 @@
 #include "PluginManager.h"
 
 
-
 class MediaExtractorChunkWriter : public ChunkWriter {
 public:
 	MediaExtractorChunkWriter(MediaWriter* writer, int32 streamIndex)
@@ -235,4 +234,3 @@ MediaWriter::WriteChunk(int32 streamIndex, const void* chunkBuffer,
 	return fWriter->WriteChunk(info->cookie, chunkBuffer, chunkSize,
 		encodeInfo);
 }
-

src/kits/codec/ReaderPlugin.cpp

@@ -6,6 +6,7 @@
  * Distributed under the terms of the MIT License.
  */
 
+
 #include "ReaderPlugin.h"
 
 #include <stdio.h>
@@ -78,4 +79,3 @@ void Reader::_ReservedReader2() {}
 void Reader::_ReservedReader3() {}
 void Reader::_ReservedReader4() {}
 void Reader::_ReservedReader5() {}
-

src/kits/codec/StreamerPlugin.cpp

@@ -3,6 +3,7 @@
  * Distributed under the terms of the MIT License.
  */
 
+
 #include "StreamerPlugin.h"
 
 

src/kits/codec/WriterPlugin.cpp

@@ -4,6 +4,7 @@
  * Distributed under the terms of the MIT License.
  */
 
+
 #include "WriterPlugin.h"
 
 #include <stdio.h>
@@ -42,9 +43,9 @@ Writer::Perform(perform_code code, void* data)
 	return B_OK;
 }
 
+
 void Writer::_ReservedWriter1() {}
 void Writer::_ReservedWriter2() {}
 void Writer::_ReservedWriter3() {}
 void Writer::_ReservedWriter4() {}
 void Writer::_ReservedWriter5() {}
-