Add some missing GPL headers.

Timeline/Engine/Audio_File_SF.C

@@ -33,6 +33,8 @@
 
 #include "util/debug.h"
 
+
+
 const Audio_File::format_desc Audio_File_SF::supported_formats[] =
 {
     {      "Wav 24",       "wav",   SF_FORMAT_WAV    | SF_FORMAT_PCM_24    | SF_ENDIAN_FILE },
@@ -47,6 +49,8 @@ const Audio_File::format_desc Audio_File_SF::supported_formats[] =
     {      0,            0          }
 };
 
+
+
 Audio_File_SF *
 Audio_File_SF::from_file ( const char *filename )
 {

Timeline/Engine/Port.C

@@ -25,6 +25,8 @@
 
 #include <stdio.h> // sprintf
 
+
+
 /* nframes is the number of frames to buffer */
 Port::Port ( jack_port_t *port )
 {