The first one makes CONFDIR work correctly at last
and the second adds DESTDIR to ./configure, so that it generates
a relocateable Makefile and then a packager needs only to do
make DESTDIR=$RPM_BUILD_ROOT install
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6546 b3059339-0415-0410-9bf9-f77b7e298cf2