mplayer2: fix DSO issue with new binutils

* /OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/libexec/armv4t-oe-linux-gnueabi/gcc/arm-oe-linux-gnueabi/4.6.3/ld:
  libmpdemux/demux_ogg.o: undefined reference to symbol '_ilog'
  /OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/libexec/armv4t-oe-linux-gnueabi/gcc/arm-oe-linux-gnueabi/4.6.3/ld:
  note: '_ilog' is defined in DSO
  /OE/shr-core/tmp-eglibc/sysroots/om-gta02/usr/lib/libvorbis.so.0 so try adding it to the linker command line
  /OE/shr-core/tmp-eglibc/sysroots/om-gta02/usr/lib/libvorbis.so.0: could not read symbols: Invalid operation

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>