Add proper GPL headers.

Originally committed as revision 19772 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

libswscale/rgb2rgb.h

@@ -4,6 +4,22 @@
  *  pluralize by Software PAL8 to RGB convertor
  *               Software YUV to YUV convertor
  *               Software YUV to RGB convertor
+ *  Written by Nick Kurshev.
+ *  palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef RGB2RGB_INCLUDED

libswscale/yuv2rgb_altivec.c

@@ -61,6 +61,20 @@
 
   Integrated luma prescaling adjustment for saturation/contrast/brightness adjustment. 
 
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
 */
 #include <stdio.h>
 #include <stdlib.h>