Fix compile error due to extra "FF" at beginning of file in the FF{MIN,MAX}

update

Originally committed as revision 19205 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

libswscale/swscale_altivec_template.c

-FF/*
+/*
   AltiVec-enhanced yuv2yuvX
 
     Copyright (C) 2004 Romain Dolbeau <romain@dolbeau.org>