fft-test does not depend on fdctref.o.

Originally committed as revision 18190 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/Makefile

@@ -542,4 +542,3 @@ DIRS = alpha arm bfin mlib ppc ps2 sh4 sparc x86
 include $(SUBDIR)../subdir.mak
 
 $(SUBDIR)dct-test$(EXESUF): $(SUBDIR)fdctref.o $(SUBDIR)aandcttab.o
-$(SUBDIR)fft-test$(EXESUF): $(SUBDIR)fdctref.o